參數(shù)資料
型號(hào): SN74HC157DT
廠商: TEXAS INSTRUMENTS INC
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: GREEN, PLASTIC, SOIC-16
文件頁數(shù): 15/20頁
文件大?。?/td> 802K
代理商: SN74HC157DT
SN54HC157, SN74HC157
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
SCLS113D DECEMBER 1982 REVISED SEPTEMBER 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
SN54HC157
SN74HC157
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
IOH = 20 A
4.5 V
4.4
4.499
4.4
VOH
VI = VIH or VIL
IOH = 20 A
6 V
5.9
5.999
5.9
V
VOH
VI = VIH or VIL
IOH = 6 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = 7.8 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
IOL = 20 A
4.5 V
0.001
0.1
VOL
VI = VIH or VIL
IOL = 20 A
6 V
0.001
0.1
V
VOL
VI = VIH or VIL
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 7.8 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
nA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
A
Ci
2 V to 6 V
3
10
pF
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
FROM
(INPUT)
TO
(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
A or B
Y
6 V
11
21
32
27
2 V
67
125
190
160
tpd
A/B
Y
4.5 V
18
25
38
31
ns
tpd
A/B
Y
6 V
14
21
32
27
ns
2 V
59
115
170
145
G
Y
4.5 V
16
23
34
29
G
Y
6 V
13
20
29
25
2 V
28
60
90
75
tt
Y
4.5 V
8
12
18
15
ns
tt
Y
6 V
6
10
15
13
ns
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