Datasheet

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Timing Requirements
Switching Characteristics
Switching Characteristics
Operating Characteristics
SN74AUC1G79
SINGLE POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP
SCES387K – MARCH 2002 – REVISED APRIL 2007
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 UNIT
± 0.1 V ± 0.1 V ± 0.15 V ± 0.2 V
TYP MIN MAX MIN MAX MIN MAX MIN MAX MHz
f
clock
Clock frequency 50 200 225 250 275 ns
t
w
Pulse duration, CLK high or low 4.6 1.7 1.7 1.7 1.7 ns
t
su
Setup time before CLK ↑ , data high or low 1.5 1.1 0.7 0.7 0.5 ns
t
h
Hold time, data after CLK ↑ 0 0 0 0 0.1 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
t
pd
CLK Q 5 1 3.9 0.8 2.5 0.3 1 1.9 0.3 1.3 ns
over recommended operating free-air temperature range, C
L
= 30 pF (unless otherwise noted) (see Figure 1 )
V
CC
= 1.8 V V
CC
= 2.5 V
FROM TO
± 0.15 V ± 0.2 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN TYP MAX MIN MAX
f
max
250 275 ns
t
pd
CLK Q 0.8 1.5 2.4 0.6 1.8 ns
T
A
= 25 ° C
V
CC
= 0.8 V V
CC
= 1.2 V V
CC
= 1.5 V V
CC
= 1.8 V V
CC
= 2.5 V
TEST
PARAMETER UNIT
CONDITIONS
TYP TYP TYP TYP TYP
Power dissipation
C
pd
f = 10 MHz 18 18 18 18.5 20.5 pF
capacitance
4
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