Datasheet
SN74F174A
HEX D-TYPE FLIP-FLOP
WITH CLEAR
SDFS029B – D2932, MARCH 1987 – REVISED OCTOBER 1993
2–3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IK
V
CC
= 4.5 V, I
I
= – 18 mA – 1.2 V
V
OH
V
CC
= 4.5 V, I
OH
= – 1 mA 2.5 3.4
V
V
OH
V
CC
= 4.75 V, I
OH
= – 1 mA 2.7
V
V
OL
V
CC
= 4.5 V, I
OL
= 20 mA 0.3 0.5 V
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.5 V – 0.6 mA
I
OS
‡
V
CC
= 5.5 V, V
O
= 0 –60 – 150 mA
I
CCH
V
CC
= 5.5 V, See Note 2 30 45 mA
I
CCL
V
CC
= 5.5 V, See Note 3 39 55 mA
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTES: 2. I
CCH
is measured with all outputs open, all data inputs and enable input at 4.5 V, and the clock input at 4.5 V after being momentarily
grounded.
3. I
CCL
is measured with all outputs open, all data inputs and enable input at 0 V, and the clock input at 4.5 V after being momentarily
grounded.
timing requirements
V
CC
= 5 V,
T
A
= 25°C
V
CC
= 4.5 V to 5.5 V,
T
A
= MIN to MAX
§
UNIT
MIN MAX MIN MAX
f
clock
Clock frequency 0 100 0 80 MHz
CLK high 4 4
t
w
Pulse duration CLK low 6 6 ns
CLR low 5 5
t
Setup time before CLK↑
Data high or low 4.5 4.5
ns
t
su
S
e
t
up
ti
me
b
e
f
ore
CLK↑
CLR high¶ 5 5
ns
t
h
Hold time after CLK↑ Data high or low 0.5 1 ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
¶
Inactive-state setup time is also referred to as recovery time.
switching characteristics (see Note 4)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
C
L
= 50 pF,
R
L
= 500 Ω,
T
A
= 25°C
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500Ω,
T
A
= MIN to MAX
§
UNIT
MIN TYP MAX MIN MAX
f
max
100 140 80 MHz
t
PLH
CLK
Any Q
2.7 4.5 8 2.7 9
ns
t
PHL
CLK
An
y
Q
3.4 4.2 10 3.3 11
ns
t
PHL
CLR Any Q 4.2 6.3 14 4.2 15 ns
NOTE 4: Load circuits and waveforms are shown in Section 1.