CD74AC174_14 Datasheet, PDF (4/14 Pages) Texas Instruments – HEX D-TYPE FLIP-FLOP

CD74AC174
HEX D-TYPE FLIP-FLOP
WITH CLEAR
SCHS346 – APRIL 2003
timing requirements over recommended operating free-air temperature range, V_CC = 3.3 V ± 0.3 V
(unless otherwise noted)
fclock Clock frequency
tw
Pulse duration
tsu
Setup time before CLK↑
th
Hold time, data after CLK↑
trec
Recovery time, before CLK↑
CLR low
CLK high or low
Data
CLR↑
–55°C to
125°C
MIN MAX
68
5.6
7.3
2
4.2
1.5
–40°C to
85°C
MIN MAX
77
4.9
6.4
2
3.7
1.5
UNIT
MHz
ns
ns
ns
ns
timing requirements over recommended operating free-air temperature range, V_CC = 5 V ± 0.5 V
(unless otherwise noted)
fclock Clock frequency
tw
Pulse duration
tsu
Setup time before CLK↑
th
Hold time, data after CLK↑
trec
Recovery time, before CLK↑
CLR low
CLK high or low
Data
CLR↑
–55°C to
125°C
MIN MAX
95
4
5.2
2
3
1.5
–40°C to
85°C
MIN MAX
108
3.5
4.6
2
2.6
1.5
UNIT
MHz
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
V_CC = 1.5 V, C_L = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55°C to
125°C
MIN MAX
–40°C to 85°C
UNIT
MIN MAX UNIT
fmax
tPLH
tPHL
tPLH
tPHL
CLK
CLR
Any Q
Any Q
8
169
169
181
181
9
MHz
154
ns
154
165
ns
165
switching characteristics over recommended operating free-air temperature range,
V_CC = 3.3 V ± 0.3 V, C_L = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55°C to
125°C
MIN MAX
–40°C to
85°C
MIN MAX
fmax
tPLH
tPHL
tPLH
tPHL
CLK
CLR
Any Q
Any Q
68
4.7 18.9
4.7 18.9
5.1 20.3
5.1 20.3
77
4.9 17.2
4.9 17.2
5.2 18.5
5.2 18.5
UNIT
MHz
ns
ns
4
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