SN54AHC245 PACKAGE SN74AHC245 DGV, PACKAGE (TOP VIEW) description
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54AHC245 PACKAGE SN74AHC245 DGV, PACKAGE (TOP VIEW)
description/ordering information
'AHC245 octal transceivers designed asynchronous two-way communication between data buses. control-function implementation minimizes external timing requirements. These devices allow data transmission from from bus, depending logic level direction-control (DIR) input. output-enable (OE) input used disable device that buses effectively isolated. ensure high-impedance state during power power down, should tied through pullup resistor; minimum value resistor determined current-sinking capability driver.
SN54AHC245 PACKAGE (TOP VIEW)
ORDERING INFORMATION
PDIP SOIC -40°C 85°C SSOP TSSOP TVSOP CDIP -55°C 125°C LCCC PACKAGE Tube Tube Tape reel Tape reel Tube Tape reel Tape reel Tube Tube Tube ORDERABLE PART NUMBER SN74AHC245N SN74AHC245DW SN74AHC245DWR SN74AHC245DBR SN74AHC245PW SN74AHC245PWR SN74AHC245DGVR SNJ54AHC245J SNJ54AHC245W SNJ54AHC245FK TOP-SIDE MARKING SN74AHC245N AHC245 HA245 HA245 HA245 SNJ54AHC245J SNJ54AHC245W SNJ54AHC245FK
Package drawings, standard packing quantities, thermal data, symbolization, design guidelines available www.ti.com/sc/package.
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Copyright 2003, Texas Instruments Incorporated
products compliant MIL-PRF-38535, parameters tested unless otherwise noted. other products, production processing does necessarily include testing parameters.
PRODUCTION DATA information current publication date. Products conform specifications terms Texas Instruments standard warranty. Production processing does necessarily include testing parameters.
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
FUNCTION TABLE (each transceiver) INPUTS OPERATION data data Isolation
logic diagram (positive logic)
Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (see Note Control inputs -0.5 I/O, Output voltage range, (see Note -0.5 Input clamp current, Control inputs I/O, Output clamp current, VCC) Continuous output current, VCC) Continuous current through Package thermal impedance, (see Note package 70°C/W package 92°C/W package 58°C/W package 69°C/W package 83°C/W Storage temperature range, Tstg -65°C 150°C
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability. NOTES: input output voltage ratings exceeded input output current ratings observed. package thermal impedance calculated accordance with JESD 51-7.
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
recommended operating conditions (see Note
SN54AHC245 Supply voltage High-level input voltage Low-level input voltage Input voltage Output voltage High-level output current Low-level output current 3.85 1.65 SN74AHC245 3.85 1.65 UNIT
ns/V
Input transition rise fall rate
Operating free-air temperature NOTE unused inputs device must held ensure proper device operation. Refer application report, Implications Slow Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS inputs inputs GND, (OE) GND, 2.58 3.94 0.36 0.36 ±0.1 ±0.1 ±0.25 25°C SN54AHC245 2.48 ±2.5 SN74AHC245 2.48 0.44 0.44 ±2.5 UNIT
products compliant MIL-PRF-38535, this parameter production tested parameter includes input leakage current.
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
switching characteristics over recommended operating (unless otherwise noted) (see Figure
PARAMETER tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ tsk(o) FROM (INPUT) (OUTPUT) LOAD CAPACITANCE
free-air
temperature
SN74AHC245 15.5 15.5 15.5 15.5 13.5 13.5
range,
UNIT
25°C 5.8** 5.8** 8.5** 8.5** 8.9** 8.9** 11.5 11.5 8.4** 8.4** 13.2** 13.2** 12.5** 12.5** 11.9 11.9 16.7 16.7 15.8 15.8 1.5***
SN54AHC245 10** 10** 15.5** 15.5** 15.5** 15.5** 13.5 13.5
products compliant MIL-PRF-38535, this parameter production tested. products compliant MIL-PRF-38535, this parameter does apply.
switching characteristics over recommended operating (unless otherwise noted) (see Figure
PARAMETER tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ tsk(o) FROM (INPUT) (OUTPUT) LOAD CAPACITANCE
free-air
temperature
SN74AHC245
range,
UNIT
25°C 5.8* 5.8* 5.6* 5.6* 5.5* 5.5* 8.5* 8.5* 7.8* 7.8* 10.6 10.6
SN54AHC245 6.5* 6.5* 9.2* 9.2*
products compliant MIL-PRF-38535, this parameter production tested. products compliant MIL-PRF-38535, this parameter does apply.
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
noise characteristics, 25°C (see Note
PARAMETER VOL(P) VOL(V) VOH(V) VIH(D) Quiet output, maximum dynamic Quiet output, minimum dynamic Quiet output, minimum dynamic High-level dynamic input voltage SN74AHC245 -0.9 UNIT
VIL(D) Low-level dynamic input voltage NOTE Characteristics surface-mount packages only.
operating characteristics, 25°C
PARAMETER Power dissipation capacitance TEST CONDITIONS load, UNIT
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SN54AHC245, SN74AHC245 OCTAL TRANSCEIVERS WITH 3-STATE OUTPUTS
PARAMETER MEASUREMENT INFORMATION
Open
From Output Under Test (see Note
Test Point
From Output Under Test (see Note
TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open Drain
Open
LOAD CIRCUIT TOTEM-POLE OUTPUTS
LOAD CIRCUIT 3-STATE OPEN-DRAIN OUTPUTS Timing Input Data Input VOLTAGE WAVEFORMS SETUP HOLD TIMES tPZL tPZH Output Waveform (see Note tPLZ tPHZ
Input
VOLTAGE WAVEFORMS PULSE DURATION
Input tPLH In-Phase Output tPHL Out-of-Phase Output
tPHL
Output Control
tPLH
Output Waveform (see Note
VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS ENABLE DISABLE TIMES LOW- HIGH-LEVEL ENABLING
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with input transition measurement. parameters waveforms applicable devices.
Figure Load Circuit Voltage Waveforms
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MECHANICAL DATA
MCFP006B JANUARY 1995 REVISED JULY 2003
(R-GDFP-F20)
0.300 (7,62) 0.245 (6,22)
CERAMIC DUAL FLATPACK
Base Seating Plane
0.045 (1,14) 0.026 (0,66)
0.100 (2,54) 0.045 (1,14) 0.320 (8,13)
0.009 (0,23) 0.004 (0,10)
0.022 (0,56) 0.015 (0,38)
0.050 (1,27) 0.540 (13,72)
0.005 (0,13) Places
0.370 (9,40) 0.250 (6,35)
0.370 (9,40) 0.250 (6,35) 4040180-4 07/03
NOTES:
linear dimensions inches (millimeters). This drawing subject change without notice. This package hermetically sealed with ceramic using glass frit. Index point provided terminal identification only. Falls within Mil-Std 1835 GDFP2-F20
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MECHANICAL DATA
MLCC006B OCTOBER 1996
(S-CQCC-N**)
TERMINAL SHOWN
LEADLESS CERAMIC CHIP CARRIER
TERMINALS
0.342 (8,69) 0.442 (11,23) 0.640 (16,26) 0.739 (18,78) 0.938 (23,83) 1.141 (28,99) 0.358 (9,09) 0.458 (11,63) 0.660 (16,76) 0.761 (19,32) 0.962 (24,43) 1.165 (29,59) 0.307 (7,80) 0.406 (10,31) 0.495 (12,58) 0.495 (12,58) 0.850 (21,6) 1.047 (26,6)
0.358 (9,09) 0.458 (11,63) 0.560 (14,22) 0.560 (14,22) 0.858 (21,8) 1.063 (27,0)
0.080 (2,03) 0.064 (1,63) 0.020 (0,51) 0.010 (0,25)
0.020 (0,51) 0.010 (0,25)
0.055 (1,40) 0.045 (1,14)
0.045 (1,14) 0.035 (0,89)
0.028 (0,71) 0.022 (0,54) 0.050 (1,27)
0.045 (1,14) 0.035 (0,89)
4040140 10/96 NOTES: linear dimensions inches (millimeters). This drawing subject change without notice. This package hermetically sealed with metal lid. terminals gold plated. Falls within JEDEC MS-004
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MECHANICAL
MPDI002C JANUARY 1995 REVISED DECEMBER 20002
(R-PDIP-T**)
PINS SHOWN
PLASTIC DUAL-IN-LINE PACKAGE
PINS
0.775 (19,69) 0.745 (18,92)
0.775 (19,69) 0.745 (18,92)
0.920 (23,37) 0.850 (21,59)
1.060 (26,92) 0.940 (23,88)
0.260 (6,60) 0.240 (6,10)
MS-100 VARIATION
0.070 (1,78) 0.045 (1,14)
0.045 (1,14) 0.030 (0,76)
0.020 (0,51)
0.325 (8,26) 0.300 (7,62) 0.015 (0,38) 0.200 (5,08) Seating Plane 0.125 (3,18) 0.010 (0,25) Gauge Plane
0.100 (2,54) 0.021 (0,53) 0.015 (0,38) 0.010 (0,25)
0.430 (10,92)
14/18 ONLY vendor option
4040049/E 12/2002
NOTES: linear dimensions inches (millimeters). This drawing subject change without notice. Falls within JEDEC MS-001, except minimum body lrngth (Dim lead shoulder width vendor option, either half full width.
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MECHANICAL DATA
MPDS006C FEBRUARY 1996 REVISED AUGUST 2000
(R-PDSO-G**)
PINS SHOWN 0,23 0,13
PLASTIC SMALL-OUTLINE
0,40
0,07
0,16 4,50 4,30 6,60 6,20
Gage Plane
0,25 0,75 0,50
Seating Plane 1,20 0,15 0,05 0,08
PINS
3,70 3,50
3,70 3,50
5,10 4,90
5,10 4,90
7,90 7,70
9,80 9,60
11,40 11,20
4073251/E 08/00 NOTES: linear dimensions millimeters. This drawing subject change without notice. Body dimensions include mold flash protrusion, exceed 0,15 side. Falls within JEDEC: 24/48 Pins MO-153 14/16/20/56 Pins MO-194
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MECHANICAL DATA
MSOI003E JANUARY 1995 REVISED SEPTEMBER 2001
(R-PDSO-G**)
PINS SHOWN 0.020 (0,51) 0.014 (0,35)
PLASTIC SMALL-OUTLINE PACKAGE
0.050 (1,27)
0.010 (0,25)
0.419 (10,65) 0.400 (10,15) 0.299 (7,59) 0.291 (7,39) 0.010 (0,25)
Gage Plane 0.010 (0,25) 0.050 (1,27) 0.016 (0,40)
Seating Plane 0.104 (2,65) 0.012 (0,30) 0.004 (0,10) PINS 0.004 (0,10)
0.410 (10,41) 0.400 (10,16)
0.462 (11,73) 0.453 (11,51)
0.510 (12,95) 0.500 (12,70)
0.610 (15,49) 0.600 (15,24)
0.710 (18,03) 0.700 (17,78) 4040000/E 08/01
NOTES:
linear dimensions inches (millimeters). This drawing subject change without notice. Body dimensions include mold flash protrusion exceed 0.006 (0,15). Falls within JEDEC MS-013
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MECHANICAL DATA
MSSO002E JANUARY 1995 REVISED DECEMBER 2001
(R-PDSO-G**)
PINS SHOWN 0,65 0,38 0,22 0,15
PLASTIC SMALL-OUTLINE
0,25 0,09 5,60 5,00 8,20 7,40
Gage Plane 0,25 0,95 0,55
Seating Plane 2,00 0,05 0,10
PINS
6,50
6,50
7,50
8,50
10,50
10,50
12,90
5,90
5,90
6,90
7,90
9,90
9,90
12,30 4040065 12/01
NOTES:
linear dimensions millimeters. This drawing subject change without notice. Body dimensions include mold flash protrusion exceed 0,15. Falls within JEDEC MO-150
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MECHANICAL DATA
MTSS001C JANUARY 1995 REVISED FEBRUARY 1999
(R-PDSO-G**)
PINS SHOWN
PLASTIC SMALL-OUTLINE PACKAGE
0,65
0,30 0,19
0,10
0,15 4,50 4,30 6,60 6,20 Gage Plane 0,25 0,75 0,50
Seating Plane 1,20 0,15 0,05 0,10
PINS
3,10
5,10
5,10
6,60
7,90
9,80
2,90
4,90
4,90
6,40
7,70
9,60
4040064/F 01/97 NOTES: linear dimensions millimeters. This drawing subject change without notice. Body dimensions include mold flash protrusion exceed 0,15. Falls within JEDEC MO-153
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