Datasheet
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Electrical Characteristics
Timing Requirements
Switching Characteristics
SN74AUC1G74
SINGLE POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP
WITH CLEAR AND PRESET
SCES537D – DECEMBER 2003 – REVISED JUNE 2007
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
I
OH
= –100 μ A 0.8 V to 2.7 V V
CC
– 0.1
I
OH
= –0.7 mA 0.8 V 0.55
I
OH
= –3 mA 1.1 V 0.8
V
OH
V
I
OH
= –5 mA 1.4 V 1
I
OH
= –8 mA 1.65 V 1.2
I
OH
= –9 mA 2.3 V 1.8
I
OL
= 100 μ A 0.8 V to 2.7 V 0.2
I
OL
= 0.7 mA 0.8 V 0.25
I
OL
= 3 mA 1.1 V 0.3
V
OL
V
I
OL
= 5 mA 1.4 V 0.4
I
OL
= 8 mA 1.65 V 0.45
I
OL
= 9 mA 2.3 V 0.6
I
I
All inputs V
I
= V
CC
or GND 0 to 2.7 V 5 μ A
I
off
V
I
or V
O
= 2.7 V 0 ± 10 μ A
I
CC
V
I
= V
CC
or GND, I
O
= 0 0.8 V to 2.7 V 10 μ A
C
I
V
I
= V
CC
or GND 2.5 V 2.5 pF
(1) All typical values are at T
A
= 25 ° C.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 )
V
CC
= 1.2 V V
CC
= 1.5 V V
CC
= 1.8 V V
CC
= 2.5 V
V
CC
= 0.8 V
± 0.1 V ± 0.1 V ± 0.15 V ± 0.2 V
UNIT
TYP MIN MAX MIN MAX MIN MAX MIN MAX
f
clock
Clock frequency 50 200 225 250 275 MHz
CLK 2 1 1 1 1
t
w
Pulse duration ns
PRE or CLR
5 1.5 1 1 1
low
Data 2.2 0.6 0.5 0.5 0.4
t
su
Setup time before CLK ↑ ns
PRE or CLR
2.9 1.6 0.9 0.7 0.4
inactive
t
h
Hold time, data after CLK ↑ 1.2 0.5 0.4 0.3 0.3 ns
over recommended operating free-air temperature range, C
L
= 15 pF (unless otherwise noted) (see Figure 1 )
V
CC
= 1.2 V V
CC
= 1.5 V V
CC
= 1.8 V V
CC
= 2.5 V
V
CC
= 0.8 V
FROM TO
± 0.1 V ± 0.1 V ± 0.15 V ± 0.2 V
PARAMETER UNIT
(INPUT) (OUTPUT)
TYP MIN MAX MIN MAX MIN TYP MAX MIN MAX
f
max
50 200 225 250 275 MHz
Q 10.3 1.7 3.7 1.2 2.5 1 1.2 1.7 0.8 1.2
CLK
t
pd
Q 9.6 1 3.8 1 3 0.9 1.1 1.5 0.7 1.1 ns
PRE or CLR Q or Q 12.9 2 4.5 0.9 3.1 1.1 1.5 2.2 0.9 1.5
4
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