Data Sheet

SN54LS373, SN54LS374, SN54S373, SN54S374,
SN74LS373, SN74LS374, SN74S373, SN74S374
OCTAL D-TYPE TRANSPARENT LATCHES AND EDGE-TRIGGERED FLIP-FLOPS
SDLS165B – OCTOBER 1975 – REVISED AUGUST 2002
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
schematic of inputs and outputs
Output
TYPICAL OF ALL OUTPUTS
V
CC
100 Ω NOM
V
CC
R
eq
= 20 kΩ NOM
Input
Input
V
CC
17 kΩ NOM
’LS373
EQUIVALENT OF DATA INPUTS EQUIVALENT OF ENABLE- AND
OUTPUT-CONTROL INPUTS
EQUIVALENT OF CLOCK- AND
OUTPUT-CONTROL INPUTS
’LS374
EQUIVALENT OF DATA INPUTS
30 kΩ NOM
Input
V
CC
17 kΩ NOM
V
CC
Input
Output
TYPICAL OF ALL OUTPUTS
V
CC
100 Ω NOM