參數(shù)資料
型號(hào): SN74HCT157DT
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: HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: GREEN, PLASTIC, SOIC-16
文件頁(yè)數(shù): 8/13頁(yè)
文件大?。?/td> 456K
代理商: SN74HCT157DT
SN54HCT157, SN74HCT157
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
SCLS071D NOVEMBER 1988 REVISED OCTOBER 2003
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
SN54HCT157
SN74HCT157
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
A or B
Y
4.5 V
18
28
42
35
A or B
Y
5.5 V
15
25
38
32
tpd
A/B
Y
4.5 V
20
32
48
40
ns
tpd
A/B
Y
5.5 V
17
29
43
36
ns
G
Y
4.5 V
18
26
39
33
G
Y
5.5 V
15
23
35
30
tt
Any
4.5 V
8
15
22
19
ns
tt
Any
5.5 V
7
14
21
17
ns
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
SN54HCT157
SN74HCT157
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
A or B
Y
4.5 V
23
42
63
52
A or B
Y
5.5 V
19
38
52
46
tpd
A/B
Y
4.5 V
24
46
72
58
ns
tpd
A/B
Y
5.5 V
21
41
61
52
ns
G
Y
4.5 V
21
39
58
48
G
Y
5.5 V
19
35
49
43
tt
Any
4.5 V
17
42
63
53
ns
tt
Any
5.5 V
14
38
57
48
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
12
pF
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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