W91082N Si-gate CMOS that provides DTMF signals. programmed generate d

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

W91082N Si-gate CMOS that provides DTMF signals. programmed generate d

Datasheet Thumbnail

Top Searches for this datasheet

Preliminary W91082N TONE GENERATOR WITH SERIAL INTERFACE
W91082N Si-gate CMOS that provides DTMF signals. programmed generate dual tones single tones from DTMF pin. W91082N provides serial mode interface various applications such cordless, KTS, Caller system.
Operating voltage: 2.0V-5.5V Generate dual tones single tones Serial mode interface with Uses 3.579545 crystal ceramic resonator Packaged 8-pin plastic
CONFIGURATION
DTMF DATA
DESCRIPTION
SYMBOL
FUNCTION Chip enable signal, active. built-in inverter provides oscillation with inexpensive 3.579545 crystal ceramic resonater. crystal frequency deviation ±0.02%. Data input serial receiving. Clock input serial receiving. DTMF signal output pin. Power input pins.
XT1,
DATA DTMF VDD,
Publication Release Date: February 1998 Revision
Preliminary W91082N
BLOCK DIAGRAM
System Clock Tone Generator DTMF
DATA
Serial Data Shift Register
Control Circuit
FUNCTIONAL DESCRIPTION
W91082N Tone generator with serial interface. When chip enable goes level), DATA pins receive correspondent code generate DTMF signal. W91082N defines every digit have bits code, (LSB) first received bit. W91082N latches data falling edge clock. relationship between digital codes tone output frequency shown Table1. control timing waveform shown Figure
OSC. TOSC
DATA Digit1 Digit2 Stop Code
DTMF
Digit1 DTMF Signal
Digit2 DTMF Signal
Figure Serial interface control timing waveform
Preliminary W91082N
DIGIT
TONE OUTPUT FREQUENCY (Hz) 697+1209 697+1336 697+1477 770+1209 770+1336 770+1477 852+1209 852+1336 852+1477 941+1336 941+1209 941+1477 697+1633 770+1633 852+1633 941+1633 1209 1336 1477 1633
DTMF
Table relationship between data input tone output frequency
Publication Release Date: February 1998 Revision
Preliminary W91082N
ABSOLUTION MAXIMUM RATINGS
PARAMETER Supply Voltage SYMBOL VDD-VSS Input/Output Voltage Power Dissipation Operating Temperature Storage Temperature TOPR TSTG RATING -0.3 +7.0 -0.3 +0.3 -0.3 +0.3 -0.5 +125 UNIT
Note: Exposure conditions beyond those listed under Absolute Maximum Ratings adversely affect life reliability device.
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS
(VDD-VSS 2.5V. FOSC 3.58 MHz, outputs unloaded.)
PARAMETER Operating Voltage Operating Current Standby Current Tone Output Voltage DTMF Distortion DTMF Output Level DTMF Output Sink Current
SYMBOL VTDC
CONDITIONS Unloaded Unloaded
MIN.
TYP.
MAX.
UNIT mVrms
group
5.5V 5.5V 0.5V
Preliminary W91082N
CHARACTERISTICS
(VDD-VSS 2.5V FOSC. 3.58 outputs unloaded.)
PARAMETER OSC. Starting Time Clock Input Rate System Frequency
SYMBOL TOSC FCLK FOSC
CONDITIONS
MIN.
TYP. 3.5795
MAX.
UNIT
Headquarters
Winbond Electronics (H.K.) Ltd.
803, World Trade Square, Tower Creation III, Rd., Kwun Tong, Science-Based Industrial Park, Kowloon, Hong Kong Hsinchu, Taiwan TEL: 852-27513100 TEL: 886-3-5770066 FAX: 852-27552064 FAX: 886-3-5792766 http://www.winbond.com.tw/ Voice Fax-on-demand: 886-2-27197006
Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab.
2727 First Street, Jose, 95134, U.S.A. TEL: 408-9436666 FAX: 408-5441798
Taipei Office
11F, 115, Sec. Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-27190505 FAX: 886-2-27197502
Note: data specifications subject change without notice.
Publication Release Date: February 1998 Revision

W91082N Si-gate CMOS that provides DTMF signals. programmed generate d

Top Searches for this datasheet

Other recent searches