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參數(shù)資料
| 型號： | SN54HC377FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL D-TYPE FLIP-FLOPS WITH CLOCK ENABLE |
| 中文描述： | 八路D型倒裝與時鐘使觸發(fā)器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 427K |
| 代理商： | SN54HC377FK |
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
VCC
TA = 25
°
C
TYP
1.998
SN54HC377
MIN
1.9
SN74HC377
MIN
1.9
UNIT
MIN
1.9
MAX
MAX
MAX
2 V
IOH =
–
IOH 20
μ
A
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
VI VIH or VIL
6 V
5.9
5.999
5.9
5.9
V
IOH =
–
4 mA
IOH =
–
5.2 mA
4.5 V
3.98
4.3
3.7
3.84
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20
IOL 20
μ
A
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
VI VIH or VIL
6 V
0.001
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 5.2 mA
4.5 V
0.17
0.26
0.4
0.33
6 V
0.15
±
0.1
0.26
±
100
0.4
0.33
±
1000
II
ICC
Ci
VI = VCC or 0
VI = VCC or 0,
6 V
±
1000
160
nA
μ
A
pF
IO = 0
6 V
8
80
2 V to 6 V
3
10
10
10
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
MIN
SN54HC377
MIN
SN74HC377
MIN
UNIT
MAX
MAX
MAX
2 V
5
3
4
fclock
Clock frequency
4.5 V
25
16
20
MHz
6 V
29
19
23
2 V
100
150
125
tw
Pulse duration, CLK high or low
4.5 V
20
30
25
ns
6 V
17
25
21
2 V
100
150
125
D
4.5 V
20
30
25
tsu
Set p time before CLK
Setup time before CLK
↑
6 V
17
25
21
ns
2 V
100
150
125
CLKEN high or low
4.5 V
20
30
25
6 V
17
25
21
2 V
5
5
5
th
Hold time after CLK
↑
CLKEN inactive or active, data
4.5 V
6 V
5
5
5
5
5
5
ns
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