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参数资料
| 型号： | SN74F157ADR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | F/FAST SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封装： | PLASTIC, SOIC-16 |
| 文件页数： | 2/5页 |
| 文件大小： | 82K |
| 代理商： | SN74F157ADR |
SN54F157A, SN74F157A
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
SDFS053A MARCH 1987 REVISED OCTOBER 1993
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
logic symbol
logic diagram (positive logic)
G
MUX
2
1A
1
3
1B
EN
15
G1
1
1Y
4
5
2A
6
2B
2Y
7
11
3A
10
3B
3Y
9
14
4A
13
4B
4Y
12
A /B
4Y
3Y
2Y
1Y
12
9
7
4
A /B
G
4B
4A
3B
3A
2B
2A
1B
1A
1
15
13
14
10
11
6
5
3
2
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
1
Pin numbers shown are for the D, J, and N packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range (see Note 1)
1.2 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current range
30 mA to 5 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state
0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state
40 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range: SN54F157A
55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F157A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input voltage rating may be exceeded provided that the input current rating is observed.
recommended operating conditions
SN54F157A
SN74F157A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
18
mA
IOH
High-level output current
1
mA
IOL
Low-level output current
20
mA
TA
Operating free-air temperature
55
125
0
70
°C
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相关代理商/技术参数 |
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| SN74F157AN | 制造商:Texas Instruments 功能描述:Logic - Multiplexer IC 制造商:Texas Instruments 功能描述:IC, 2I/P QUAD DATA SELECTOR/MUX, DIP-16 |
| SN74F157AN3 | 制造商:Texas Instruments 功能描述: |
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