參數(shù)資料
型號: SN74AS157DRG4
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: AS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: GREEN, PLASTIC, SOIC-16
文件頁數(shù): 16/20頁
文件大?。?/td> 722K
代理商: SN74AS157DRG4
SN54ALS157A, SN54ALS158
SN74ALS157A, SN74ALS158, SN74AS157, SN74AS158
QUAD 1OF2 DATA SELECTORS/MULTIPLEXERS
SDAS081C APRIL 1982 REVISED DECEMBER 1994
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 ,
TA = 25°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
′ALS157A
SN54ALS157A
SN74ALS157A
UNIT
TYP
MIN
MAX
MIN
MAX
tPLH
A or B
Y
9
4
17
4
14
ns
tPHL
A or B
Y
6
2
15
2
12
ns
tPLH
A/B
Y
15
7
28
7
24
ns
tPHL
A/B
Y
9
4
20
4
17
ns
tPLH
G
Y
14
7
25
7
20
ns
tPHL
G
Y
10
4
18
4
13
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 ,
TA = 25°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
′ALS158
SN54ALS158
SN74ALS158
UNIT
TYP
MIN
MAX
MIN
MAX
tPLH
A or B
Y
9
4
18
4
15
ns
tPHL
A or B
Y
5
2
12
2
8
ns
tPLH
A/B
Y
13
5
22
5
18
ns
tPHL
A/B
Y
13
5
22
5
18
ns
tPLH
G
Y
13
5
22
5
18
ns
tPHL
G
Y
13
5
22
5
18
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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