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| 型號(hào)： | SN54ALS1245AJ |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線(xiàn)收發(fā)器與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大小： | 83K |
| 代理商： | SN54ALS1245AJ |
SN54ALS1245A, SN74ALS1245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SDAS245A – DECEMBER 1982 – REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Bidirectional Bus Transceivers in
High-Density 20-Pin Packages
Low-Power Versions of
′
ALS245 Series
′
ALS1245 Series Is Identical to
′
ALS1645
Series
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) 300-mil DIPs
description
These octal bus transceivers are designed for
asynchronous two-way communication between
data buses. These devices transmit data from the
A bus to the B bus or from the B bus to the A bus,
depending on the logic level at the direction-
control (DIR) input. The output-enable (OE) input
can be used to disable the device so the buses are
effectively isolated.
The SN54ALS1245A is characterized for
operation over the full military temperature range
of –55
°
C to 125
°
C. The SN74ALS1245A is
characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OPERATION
OE
L
DIR
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
A
A
D
B
B
O
A
G
B
V
SN54ALS1245A . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN54ALS1245A . . . J PACKAGE
SN74ALS1245A . . . DW OR N PACKAGE
(TOP VIEW)
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 |
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| SN54ALS12A | Triple 3-Input Positive-NAND Gates(三3輸入正與非門(mén)(集電極開(kāi)路輸出)) |
| SN54ALS133FK | 13-INPUT POSITIVE-NAND GATES |
| SN54ALS136 | Quadruple 2-Input Exclusive-OR Gates(四2輸入異或門(mén)(集電極開(kāi)路輸出)) |
| SN54AS136 | Quadruple 2-Input Exclusive-Nor Gates(四2輸入異或門(mén)(集電極開(kāi)路輸出)) |
| SN74AS136 | Quadruple 2-Input Exclusive-Nor Gates(四2輸入異或門(mén)(集電極開(kāi)路輸出)) |
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|---|---|
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| SN54ALS163BJ | 制造商:Texas Instruments 功能描述:4-BIT SYNC BINARY COUNTER - Rail/Tube |
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