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CD54ACT74 Datasheet(PDF) 3 Page - TI store

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Part No. CD54ACT74
Description  DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET
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Maker  TI [TI store]
Homepage  http://www.ti.com
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CD54ACT74, CD74ACT74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS321 – DECEMBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
CC
MIN
MAX
MIN
MAX
MIN
MAX
IOH = –50 µA
4.5 V
4.4
4.4
4.4
VOH
VI =VIH or VIL
IOH = –24 mA
4.5 V
3.94
3.7
3.8
V
VOH
VI = VIH or VIL
IOH = –50 mA†
5.5 V
3.85
V
IOH = –75 mA†
5.5 V
3.85
IOL = 50 µA
4.5 V
0.1
0.1
0.1
VOL
VI =VIH or VIL
IOL = 24 mA
4.5 V
0.36
0.5
0.44
V
VOL
VI = VIH or VIL
IOL = 50 mA†
5.5 V
1.65
V
IOL = 75 mA†
5.5 V
1.65
II
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
80
40
µA
DICC‡
VI = VCC – 2.1 V
4.5 V to
5.5 V
2.4
3
2.8
mA
Ci
10
10
10
pF
† Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize
power dissipation. Test verifies a minimum 50-
Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C.
‡ Additional quiescent supply current per input pin, TTL inputs high, 1 unit load
ACT INPUT LOAD TABLE
INPUT
UNIT LOAD
Data
0.53
PRE or CLR
0.58
CLK
1
Unit load is
∆ICC limit specified in
electrical
characteristics
table
(e.g., 2.4 mA at 25
°C).
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
85
97
MHz
t
Pulse duration
PRE or CLR low
5
4.4
ns
tw
Pulse duration
CLK
5.7
5
ns
t
Setup time
Data
4
3.5
ns
tsu
Setup time
PRE or CLR inactive
ns
th
Hold time
Data after CLK
0
0
ns
trec
Recovery time, before CLK
CLR
↑ or PRE↑
2.7
2.4
ns




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