SN74LS642 Datasheet
SN74LS642 Datasheet (onsemi)
onsemi
SN74LS640, SN74LS641, SN74LS642, SN74LS645 Octal Bus Transceivers These octal bus transceivers are designed for asynchronous two-way communication between data buses. Control function implementation .
V
0
25
70
°C
IOH
Output Current
* High
*3.0 mA
*15 mA
IOL
Output Current
* Low
24
mA
GUARANTEED OPERATING RANGES (SN74LS641, SN74LS642)
Symbol
Parameter
Min Typ Max Unit
VCC
Supply Voltage
TA
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
VOH
Output Voltag.
SN74LS642 Datasheet (Motorola Semiconductor)
Motorola Semiconductor
OCTAL BUS TRANSCEIVERS These octal bus transceivers are designed for asynchronous two-way communication between data buses. Control function implementation minimizes external timing requirements. Thes.
XJ Ceramic SN74LSXXXN Plastic SN74LSXXXDW SOIC CONNECTION DIAGRAMS DIP (TOP VIEW) ENABLE VCC G B1 20 19 18 B2 17 B3 16 B4 15 B5 14 B6 13 B7 12 B8 11 ENABLE VCC G B1 20 19 18 B2 17 B3 16 B4 15 B5 14 B6 13 B7 12 B8 11 1 DIR 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 GND 1 DIR 2 A1 3 A2 .
SN74LS642 Datasheet (Texas Instruments)
Texas Instruments
SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645 SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645 OCTAL BUS TRANSCEIVRS SDLS189 – APRIL 1979 – REVISED MARCH 1988 PRODUCTION DATA information is current as.
RIL 1979
* REVISED MARCH 1988
4
* POST OFFICE BOX 655303 DALLAS, TEXAS 75265
SN54LS640, SN54LS645
SN74LS640, SN74LS645 OCTAL BUS TRANSCEIVRS WITH 3-STATE OUTPUTS
SDLS189
* APRIL 1979
* REVISED MARCH 1988
* POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5
SN54LS640, SN54LS645
SN74LS640, SN74LS645 O.