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参数资料
| 型号： | SN54HC157WR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16 |
| 封装： | CERAMIC, DFP-16 |
| 文件页数： | 4/9页 |
| 文件大小： | 177K |
| 代理商： | SN54HC157WR |
SN54HC157, SN74HC157
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS113B – DECEMBER 1982 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC157
SN74HC157
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
63
125
190
160
A or B
Y
4.5 V
13
25
38
32
6 V
11
21
32
27
2 V
67
125
190
160
tpd
A/B
Y
4.5 V
18
25
38
31
ns
6 V
14
21
32
27
2 V
59
115
170
145
G
Y
4.5 V
16
23
34
29
6 V
13
20
29
25
2 V
28
60
90
75
tt
Y
4.5 V
8
12
18
15
ns
6 V
6
10
15
13
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC157
SN74HC157
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
81
190
290
235
A or B
Y
4.5 V
23
38
58
47
6 V
18
33
49
41
2 V
81
210
320
260
tpd
A/B
Y
4.5 V
23
42
64
52
ns
6 V
18
36
54
45
2 V
91
190
290
235
G
Y
4.5 V
24
38
58
47
6 V
18
33
49
41
2 V
45
210
315
265
tt
Y
4.5 V
17
42
63
53
ns
6 V
13
36
53
45
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
40
pF
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