參數(shù)資料
型號: SN74ABT16646DLR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封裝: GREEN, PLASTIC, SSOP-56
文件頁數(shù): 10/17頁
文件大?。?/td> 419K
代理商: SN74ABT16646DLR
SN54ABT16646, SN74ABT16646
16-BIT BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS212D – JUNE 1992 – REVISED JULY 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The SN54ABT16646 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT16646 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
DATA I/O
OPERATION OR FUNCTION
OE
DIR
CLKAB
CLKBA
SAB
SBA
A1–A8
B1–B8
OPERATION OR FUNCTION
X
X
Input
Unspecified
Store A, B unspecified{
X
XX
X
Unspecified
Input
Store B, A unspecified{
H
X
X
Input
Store A and B data
H
X
H or L
X
Input disabled
Isolation, hold storage
L
X
L
Output
Input
Real-time B data to A bus
L
X
H or L
X
H
Output
Input
Stored B data to A bus
L
H
X
L
X
Input
Output
Real-time A data to B Bus
L
H
H or L
X
H
X
Input
Output
Stored A data to bus
The data-output functions can be enabled or disabled by various signals at OE or DIR. Data-input functions always are enabled, i.e., data at the
bus terminals is stored on every low-to-high transition of the clock inputs.
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