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SN54HC377 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN54HC377
Description  OCTAL D-TYPE FLIP-FLOPS WITH CLOCK ENABLE
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54HC377, SN74HC377
OCTAL DTYPE FLIPFLOPS
WITH CLOCK ENABLE
SCLS307B– JANUARY 1996 – REVISED JANUARY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
SN54HC377
SN74HC377
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
1.9
IOH = –20 µA
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
IOH
20
µA
6 V
5.9
5.999
5.9
5.9
V
VOH
VI VIH or VIL
IOH = –4 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = –5.2 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
IOL 20 µA
6 V
0.001
0.1
0.1
0.1
V
VOL
VI VIH or VIL
IOL = 4 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 5.2 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
±1000
nA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
µA
Ci
2 V to 6 V
3
10
10
10
pF
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
V
TA = 25°C
SN54HC377
SN74HC377
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
5
3
4
fclock
Clock frequency
4.5 V
25
16
20
MHz
fclock
Clock frequency
6 V
29
19
23
MHz
2 V
100
150
125
tw
Pulse duration, CLK high or low
4.5 V
20
30
25
ns
tw
Pulse duration, CLK high or low
6 V
17
25
21
ns
2 V
100
150
125
D
4.5 V
20
30
25
t
Set p time before CLK
D
6 V
17
25
21
ns
tsu
Setup time before CLK
2 V
100
150
125
ns
CLKEN high or low
4.5 V
20
30
25
CLKEN high or low
6 V
17
25
21
2 V
5
5
5
th
Hold time after CLK
CLKEN inactive or active, data
4.5 V
5
5
5
ns
h
,
6 V
5
5
5




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