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SN74F377A Datasheet(PDF) 3 Page - Texas Instruments

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Part No. SN74F377A
Description  OCTAL D-TYPE FLIP-FLOP WITH CLOCK ENABLE
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74F377A Datasheet(HTML) 3 Page - Texas Instruments

   
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SN74F377A
OCTAL D-TYPE FLIP-FLOP
WITH CLOCK ENABLE
SDFS018D – D2932, MARCH 1987 – REVISED OCTOBER 1993
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
–18
mA
IOH
High-level output current
–1
mA
IOL
Low-level output current
20
mA
TA
Operating free-air temperature
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VOH
VCC = 4.5 V,
IOH = – 1 mA
2.5
3.4
V
VOH
VCC = 4.75 V,
IOH = – 1 mA
2.7
V
VOL
VCC = 4.5 V,
IOL = 20 mA
0.3
0.5
V
II
VCC = 0,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
µA
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOS‡
VCC = 5.5 V,
VO = 0
–60
– 150
mA
ICCH
VCC = 5.5 V,
See Note 2
55
72
mA
ICCL
VCC = 5.5 V,
See Note 3
70
90
mA
† All typical values are at VCC = 5 V, TA = 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. ICCH is measured after applying a momentary ground, then 4.5 V, to the clock input with all data inputs at 4.5 V and the enable input
at GND.
3. ICCL is measured after applying a momentary ground, then 4.5 V, to the clock input with all data and enable inputs at GND.
timing requirements
VCC = 5 V,
TA = 25°C
VCC = 4.5 V to 5.5 V,
TA = MIN to MAX§
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
0
110
0
110
MHz
tw
Pulse duration
4
5
ns
Data high or low
2
2
tsu
Setup time before CLK
CE high
2.5
2.5
ns
CE low
4
4.5
th
Hold time after CLK
Data high or low
1
1
ns
th
Hold time after CLK
CE high or low
0
0
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.


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