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
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Function Tables
’LS373, ’S373
(each latch)
INPUTS
OUTPUT
OC C D
Q
L H H H
L HL L
L LX Q
0
H X X Z
’LS374, ’S374
(each latch)
INPUTS
OUTPUT
OC CLK D
Q
L ↑ H H
L ↑ LL
L LX Q
0
H X X Z