Datasheet

SN54AHC374, SN74AHC374
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS240I – OCTOBER 1995 – REVISED JULY 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
T
A
= 25°C SN54AHC374 SN74AHC374
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 1.9 2 1.9 1.9
I
OH
= –50 A
3 V 2.9 3 2.9 2.9
V
OH
4.5 V 4.4 4.5 4.4 4.4
V
OH
I
OH
= –4 mA
3 V 2.58 2.48 2.48
I
OH
= –8 mA
4.5 V 3.94 3.8 3.8
2 V 0.1 0.1 0.1
I
OL
= 50 A
3 V 0.1 0.1 0.1
V
OL
4.5 V 0.1 0.1 0.1
V
OL
I
OL
= 4 mA
3 V 0.36 0.5 0.44
I
OL
= 8 mA
4.5 V 0.36 0.5 0.44
I
I
V
I
= 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 A
I
OZ
V
O
= V
CC
or GND 5.5 V ±0.25 ±2.5 ±2.5 A
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 4 40 40 A
C
i
V
I
= V
CC
or GND 5 V 4 10 10 pF
C
o
V
O
= V
CC
or GND 5 V 6 pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at V
CC
= 0 V.
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AHC374 SN74AHC374
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, CLK high or low 5 5.5 5.5 ns
t
su
Setup time, data before CLK↑
4.5 4 4 ns
t
h
Hold time, data after CLK↑ 2 2 2 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AHC374 SN74AHC374
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, CLK high or low 5 5 5 ns
t
su
Setup time, data before CLK↑
3 3 3 ns
t
h
Hold time, data after CLK↑ 2 2 2 ns