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參數資料
| 型號： | SN74ALS1245ANSRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發器 |
| 英文描述： | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOP-20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 605K |
| 代理商： | SN74ALS1245ANSRG4 |
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
DIR
OPERATION
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
A2
A1
DIR
B7
B6
OE
A8
GND
B8
V
CC
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
VCC
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.
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| SN74ALS137ADRE4 | ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74ALS1250DBR | 制造商:Texas Instruments 功能描述: |
| SN74ALS131N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ALS133D | 功能描述:邏輯門 13-Input Positive NAND Gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74ALS133DE4 | 功能描述:邏輯門 13-Input Positive NAND Gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74ALS133DG4 | 功能描述:邏輯門 13 Inpt Pos NAND Gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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