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| 型號： | SN54ALS857FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS |
| 中文描述： | 六角2比1的3萬能多路復(fù)用態(tài)輸出 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 258K |
| 代理商： | SN54ALS857FK |
SN54ALS857 . . . JT PACKAGE
SN74ALS857 . . . DW OR NT PACKAGE
(TOP VIEW)
SN54ALS857 . . . FK PACKAGE
(TOP VIEW)
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24
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S0
1A
1B
1Y
2A
2B
2Y
3A
3B
3Y
OPER = 0
GND
V
CC
S1
6A
6B
6Y
5A
5B
5Y
4A
4B
4Y
COMP
NC – No internal connection
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12 13
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6B
6Y
5A
NC
5B
5Y
4A
1Y
2A
2B
NC
2Y
3A
3B
4
26
14 15 16 17 18
3
O
G
N
C
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4
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1
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N
S
6
V
C
C
SN54ALS857, SN74ALS857
HEX 2-TO-1 UNIVERSAL MULTIPLEXERS
WITH 3-STATE OUTPUTS
SDAS170A – DECEMBER 1982 – REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Select True or Complementary Data
Perform AND/NAND (Masking) of
A or B Operand
Cascadable to Expand Number of
Operands
Detect Zeros on A or B Operands
3-State Outputs Interface Directly With
System Bus
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic
(NT) and Ceramic (JT) 300-mil DIPs
description
The
′
ALS857 are hextuple 2-line to 1-line
multiplexers with 3-state outputs. The devices can
provide either true (COMP low) or inverted
(COMP high) data at the Y outputs. In addition, the
′
ALS857 perform the logical AND function (A
B)
and the clear function as well. The four modes of
operation are:
Select A-data inputs
Select B-data inputs
AND A inputs with B inputs
Clear
In either of the first two modes, OPER = 0 is high
if all the selected A or B inputs are low. The six Y
outputs and the OPER = 0 output are all 3-state
and rated at 12-mA and 24-mA I
OL
for the
SN54ALS857 and SN74ALS857, respectively. All
outputs can be placed in the high-impedance state
by applying a high level to the COMP, S0, and S1
inputs simultaneously.
The SN54ALS857 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C. The
SN74ALS857 is characterized for operation from 0
°
C to 70
°
C.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54ALS857JT | HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS |
| SN74ALS857DW | HEX 2-TO-1 UNIVERSAL MULTIPLEXERS WITH 3-STATE OUTPUTS |
| SN54ALS878 | DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN74ALS878 | DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN74ALS878AFN | DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
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| SN54AS08J | 制造商:Texas Instruments 功能描述:AND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Texas Instruments 功能描述:AND GATE 4-ELEM 2-IN BIPOLAR 14CDIP - Rail/Tube |
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