NEW DATABASE - 350 MILLION DATASHEETS FROM 8500 MANUFACTURERS
NEW DATABASE - 350 MILLION DATASHEETS FROM 8500 MANUFACTURERS
| Part | Manufacturer | Description | Type | Ordering |
| MC146818 | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM(RTC) |
20 pages, |
Original |  |
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| MC146818A | Motorola | European Master Selection Guide 1986 |
1 pages, |
Scan | |
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| MC146818A | Motorola / Freescale Semiconductor | Single-Chip Microcontrollers (AMCU) |
31 pages, |
Original | |
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| MC146818A | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM(RTC) |
20 pages, |
Original | |
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| MC146818A | Motorola / Freescale Semiconductor | Real-Time Clock Plus RAM(RTC) |
20 pages, |
Original | |
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| MC146818ACFN | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM (RTC) |
21 pages, |
Original | |
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| MC146818ACP | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM (RTC) |
21 pages, |
Original | |
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| MC146818AFN | Motorola | European Master Selection Guide 1986 |
1 pages, |
Scan | |
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| MC146818AFN | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM (RTC) |
21 pages, |
Original | |
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| MC146818AL | Motorola / Freescale Semiconductor | REAL-TIME CLOCK PLUS RAM(RTC) |
20 pages, |
Original | |
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| Catalog Datasheet Results | Type | Document Tags |
| Abstract: 3-volt battery directly to pins that have other functions on the MC146818. 1 of 5 033100 , MC146818. N/A N/A N/A N/A N/A N/A AS N/A N/A 15 R/ W N/A 16 NC 17 DS , during the address strobe. It was a "don't care" on the MC146818. N/A N/A N/A N/A N/A This pin , Application Note 521 Replacement for the MC146818 www.dalsemi.com OVERVIEW The Motorola MC146818 is no longer in production. There is no direct replacement for this part. However, systems that ... | Original |
5 pages, |
1.048576 dallas ds12887 BATTERY INPUT PIN DS1687 DS12885 DS12887A DS12887 DS1685 ds12887 application note 4.194304 crystal oscillator MC146818 MC146818 abstract |
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| Abstract: 3-volt battery directly to pins that have other functions on the MC146818. 1 of 5 033100 , MC146818. N/A N/A N/A N/A N/A N/A AS N/A N/A 15 R/ W N/A 16 NC 17 DS , during the address strobe. It was a "don't care" on the MC146818. N/A N/A N/A N/A N/A This pin , Application Note 521 Replacement for the MC146818 www.dalsemi.com OVERVIEW The Motorola MC146818 is no longer in production. There is no direct replacement for this part. However, systems that ... | Original |
5 pages, |
mc146818 DS1687 DS1685 DS12887A ds12887 application note ds12887 DS12885 DALLAS SEMICONDUCTOR Ds12887 4.194304 crystal oscillator MC146818 DS12887 MC146818 abstract |
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| Abstract: connection of a 3-volt battery directly to pins that have other functions on the MC146818. Pin , the MC146818. 11 AD7 N/A N/A 12 VSS N/A N/A 13 /CE\ N/A N/A 14 , strobe. It was a "don't care" on the MC146818. 11 AD7 N/A N/A 12 VSS N/A N/A 13 , Maxim > App Notes > REAL-TIME CLOCKS Keywords: Motorola MC146818, DS12887 DS12887, real time clocks, RTCs Mar 29, 2001 APPLICATION NOTE 521 Replacement for the MC146818 Abstract: This application note ... | Original |
6 pages, |
MC146818 Dallas Semiconductor Ds12887A DS12885 DS12887 ds12887 application note DS12887A DS12C887 DS12C887A DS1685 DS1687 dallas ds12887 BATTERY INPUT PIN DALLAS SEMICONDUCTOR Ds12887 MC146818 abstract |
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| Abstract: processor are disconnected within the MC146818. This permits the MC146818_to be isolated from a powered-down , MC146818 MC146818C (VDD = 3.0 to 5.5 V operation) TA TL to T|-| 0 to 70 - 40 to 85 °C Storage Temperature , of AS or ALE causes the address to be latched within the MC146818. The automatic MOTEL circuit in the , asserting CE cause no actions to take place within fhe MC146818. When CE is high, the multiplexed bus output , the address map of the MC146818. The memory consists of 50 general purpose RAM bytes, 10 RAM bytes ... | OCR Scan |
22 pages, |
mc6809 Application note binary to bcd conversion 8085 CLOCK ALARM 8085 mc146818 MC6805 motorola ADI856R3 AOI856R3 MBD701 MC146805E2 MC146818C MC6800 MC146818 RTC CHIP MMD6150 MC146818/D MC146818 MC146818/D abstract |
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| Abstract: processor are disconnected within the MC146818. This permits the MC146818JO be isolated from a powered-down , mA Operating Temperature Range MC146818 MC146818C (VDD = 3.0 to 5.5 V operation) TA TL to Th 0 to 70 , demultiplex the bus. The falling edge of AS or ALE causes the address to be latched within the MC146818. The , asserting CE cause no actions to take place within fhe MC146818. When CE is high, the multiplexed bus output , the part. ADDRESS MAP Figure 15 shows the address map of the MC146818. The memory consists of 50 ... | OCR Scan |
22 pages, |
MMD7000 AOI856R3 MC146805E2 mc146818 MC146818C MC6800 MC6808 MMD6150 ADI856R3 MC146818/D MC146818 MC146818/D abstract |
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| Abstract: rate. Available in P, S and L package. MC6844 MC6844 MC68120 MC68120 MC68121 MC68121 MC146818A Parallel/Serial. , and square wave generator, and 50 bytes of low-power static RAM. The MC146818 RTC utilizes CMOS , ideal device for use in a battery backup environment. MC146818A MOTOROLA EUROPEAN MASTER SELECTION ... | OCR Scan |
1 pages, |
MCM68HC34 MC146818 MC146818A mc681 MC6844 MCM6810 M6800 MC6801 MC68120 MC68121 MC6800 MCM68HC34 abstract |
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| Abstract: EPROM MCU Programming, Application Note AN1009/D AN1009/D MC146818 Technical Data (ADI-856-R3 ADI-856-R3) MC146818/D MC146818A Technical Data (ADI-1026 ADI-1026) MC146818A/D MC146823 MC146823 Technical Data (ADI-985-R1 ADI-985-R1) MC146823/D MC146823/D MC146818 Real Time Clock User Considerations, Application Note AN894A/D AN894A/D ... | Original |
12 pages, |
MC68HC05B8 MC68HC05B4 MC68HC05B16 motorola mc6805 reference MC68704P2 motorola microcontroller selector guide fuzzy logic motorola application MC6804J2 motorola mc6805 manual mc68705s3 MC68 programming reference MC1468705G2 MC68HC705b32 self-check BR1112/D M68HC05 BR1112/D abstract |
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| Abstract: real time clock MC146818. 23,24 o PORTBRD PORTBWR READ and WRITE signals for the I/O PORT B are active , clock MC146818 or PORT C read strobe, at address 62h. 26 o SRTRW-PORTCWR Multiplexed REAL TIME CLOCK READ/WRITE output for the real time clock device MC146818. A HIGH state indicates a read operation and , real time clock device MC146818. 32 I XBHE BUS HIGH ENABLE signal is used in the same way as XAO to ... | OCR Scan |
15 pages, |
8220A P82C202A 82a204 82c201 CHIPset for 80286 82C202 82C202A 82C206 82c206 ipc CS8220 RIF 206 Motherboard IBM t21 CS8220A-10/12 82C202A abstract |
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| Abstract: rate. Available in P, S and L package. MC6844 MC6844 MC68120 MC68120 MC68121 MC68121 MC146818A Parallel/Serial. , and square wave generator, and 50 bytes of low-power static RAM. The MC146818 RTC utilizes CMOS , ideal device for use in a battery backup environment. MC146818A MOTOROLA EUROPEAN MASTER SELECTION ... | OCR Scan |
2 pages, |
DUAL-PORT STATIC RAM M6800 MC146818A MC6801 mc681 MC68120 MC6844 MCM6810 MC68121 MC6800 MC146818 MCM68HC34 MCM68HC34 abstract |
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| Abstract: ,0MHz Real Time Clock + RAM MC146818 DP-24 DP-24 PIA HD6321 HD6321* HD63A21 HD63A21 * HD63B21 HD63B21* 1,0MHz 1,5MHz 2.0MHz CMOS ... | OCR Scan |
1 pages, |
HD6800D MC68A44 mc68a43 mc68a40 HD46508-1 HD68B45 HD146818 MC146818 mc6800 MC6846 MC68A09E MC6850 HMCS6800 mc6845 MC6809E HMCS6800 abstract |
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| Abstract: APPLICATION NOTE 5.13 Rev. 1.2 REAL TIME CLOCK CONSIDERATIONS FOR SMSC ULTRA I/O DEVICES by Jeffrey Dunnihoo, Carl Schooley and Nizar Azzam The SMSC DS1287/MC146818 Register Compatible RTC core used in the FDC37C93X FDC37C93X has an extraordinarily low power, high impedance 32KHz oscillator ( , MC146818 as well, including 256 bytes of NVRAM as opposed to the original 64 bytes. These differences and ... | Original |
4 pages, |
rtc circuit diagram MC146818 FDC37C93X FDC37C932 DS1287A DS1287 DS1287/MC146818 DS1287/MC146818 abstract |
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| Abstract | Saved from | Date Saved | File Size | Type | Download |
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| /* * Machine dependent access functions for RTC registers. */ #ifndef _ASM_PPC_MC146818RTC_H #define _ASM_PPC_MC146818RTC_H #include #ifndef RTC_PORT #define RTC_PORT(x) (0x70 + (x) #define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ #endif /* * The yet supported machines all access the RTC index register via * an ISA port access but the way to access the date register differs _WRITE(val, addr) ({ \ outb_p(addr),RTC_PORT(0); \ outb_p(val),RTC_PORT(1); \ }) #endif /* _ASM_PPC_MC146818 www.datasheetarchive.com/download/49104857-995987ZC/xapp542.zip (mc146818rtc.h) |
Xilinx | 11/11/2004 | 9180.01 Kb | ZIP | xapp542.zip |
| ): ENGRSAMPSGP46818 ENGRSAMPSGP46818 ENGRSAMPSGP46818 ENGRSAMPSGP46818 MC146818FN SC68DHC68T1P SC68DHC68T1P SC68DHC68T1P SC68DHC68T1P LSC416116FU LSC416116FU LSC416116FU LSC416116FU MC146818P SC87800P SC87800P SC87800P SC87800P LSC416117FU LSC416117FU LSC416117FU LSC416117FU MC146818PD SC87812FN SC87812FN SC87812FN SC87812FN M6804P M6804P M6804P M6804P MC146818ACFN SC370628DWR2 SC370628DWR2 SC370628DWR2 SC370628DWR2 XC68341FT16B1 XC68341FT16B1 XC68341FT16B1 XC68341FT16B1 MC146818ACFNR2 SC414259CFT16 SC414259CFT16 SC414259CFT16 SC414259CFT16 XC68341FT16V XC68341FT16V XC68341FT16V XC68341FT16V www.datasheetarchive.com/files/motorola/68k/pcn5323.html |
Motorola | 13/06/2002 | 13.89 Kb | HTML | pcn5323.html |
| /* mc146818rtc.h - register definitions for the Real-Time-Clock / CMOS RAM * Copyright Torsten Duwe 1993 * derived from Data Sheet, Copyright Motorola 1984 later, * at your option. */ #ifndef _MC146818RTC_H #define _MC146818RTC_H #include #include /* get the user-level API */ #include _TO_BCD #define BIN_TO_BCD(val) (val)=(val)/10) www.datasheetarchive.com/download/49104857-995987ZC/xapp542.zip (mc146818rtc.h) |
Xilinx | 11/11/2004 | 9180.01 Kb | ZIP | xapp542.zip |
| No abstract text available www.datasheetarchive.com/download/49624860-681603ZC/mc146818afn.jpg |
User Photos | 23/05/2012 | 11.86 Kb | JPG | mc146818afn.jpg |
| No abstract text available www.datasheetarchive.com/download/69668293-681605ZC/mc146818p..jpg |
User Photos | 23/05/2012 | 13.22 Kb | JPG | mc146818p..jpg |
| No abstract text available www.datasheetarchive.com/download/9303779-681606ZC/mc146818p.jpg |
User Photos | 23/05/2012 | 14.09 Kb | JPG | mc146818p.jpg |
| No abstract text available www.datasheetarchive.com/download/52576166-681604ZC/mc146818ap.jpg |
User Photos | 23/05/2012 | 15.87 Kb | JPG | mc146818ap.jpg |
| Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * Date & Time support for the MC146818 (PIXX4 ); #define RTC_PORT_MC146818 CFG_ISA_IO_BASE_ADDRESS + 0x70 #define RTC_SECONDS 0x00 #define RTC _RTC_REG_BASE_ADDR+reg, val); } #else static uchar rtc_read (uchar reg) { out8(RTC_PORT_MC146818,reg); return(in8(RTC_PORT_MC146818+1); } static void rtc_write (uchar reg, uchar val) { out8(RTC_PORT_MC146818,reg); out8(RTC_PORT_MC ); } #endif /* CONFIG_RTC_MC146818 && CFG_CMD_DATE */ www.datasheetarchive.com/download/49104857-995987ZC/xapp542.zip (mc146818.c) |
Xilinx | 11/11/2004 | 9180.01 Kb | ZIP | xapp542.zip |
| "defined(CONFIG_PIP405 PIP405 PIP405 PIP405)" added get_PCI_freq() definition - rtc/Makefile added MC146818 RTC support functions definitions (was part of u-boot.h) - include/scsi.h SCSI support - rtc/mc146818.c MC146818 ) - CONFIG_ISO_PARTITION CD-boot support RTC - CONFIG_RTC_MC146818 MC146818 RTC support Keyboard /u-boot.h MC146818 RTC support: - Added support for MC146818 RTC with defining CONFIG_RTC_MC146818. The ISA bus IO base address must be defined with CFG_ISA_IO_BASE_ADDRESS. Added files: - rtc/mc www.datasheetarchive.com/download/49104857-995987ZC/xapp542.zip (README.PIP405) |
Xilinx | 11/11/2004 | 9180.01 Kb | ZIP | xapp542.zip |
| /DS1287A /DS1287A /DS1287A /DS1287A and MC146818A/ MC146818B 242 bytes of general nonvolatile storage Provides a 32.768k www.datasheetarchive.com/files/texas-instruments/data/wwwti~1.com/sc/docs/products/analog/bq3287~4.htm |
Texas Instruments | 28/01/2000 | 12.02 Kb | HTM | bq3287~4.htm |
| Part | Manufacturer | Description | Shortform Datasheet | Ordering |
| MC146818ACFN | Motorola | Real-Time Clock-Calendar - 3V to 6v Operation | |
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| MC146818ACL | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818ACP | Motorola | Real-Time Clock-Calendar - 3V to 6V Operation | |
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| MC146818ACS | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818AFN | Motorola | Real-Time Clock-Calendar - 3V to 6v Operation | |
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| MC146818CL | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818CP | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818CS | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818CZ | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
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| MC146818L | Motorola | Real-Time Clock-Calendar - Real Time Clock Plus RAM | |
| Texas Instruments Part | Industry Part | Manufacturer | Type | Comment | Description |
| BQ3287A Buy | MC146818A Buy | Motorola | Similar Functionality | RTC Module With 114x8 NVSRAM, RAM Clear Input on A Version |
| Part | Similar Part | Notes |