參數(shù)資料
型號: SN74ABT16853DL
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO56
封裝: 0.300 INCH, GREEN, PLASTIC, SSOP-56
文件頁數(shù): 4/11頁
文件大小: 334K
代理商: SN74ABT16853DL
SN54ABT16853, SN74ABT16853
DUAL 8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SCBS153B – OCTOBER 1992 – REVISED JANUARY 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The SN54ABT16853 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT16853 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT AND I/O
OEB
OEA
CLR
LE
AI
Σ OF H
BI
Σ OF H
A
B
PARITY
ERR
FUNCTION
L
H
X
Odd
NA
A
L
NA
A data to B bus and
L
H
X
Even
NA
A
H
NA
generate parity
H
L
X
L
NA
Odd
B
NA
H
B data to A bus and
H
L
X
L
NA
Even
B
NA
L
check parity
H
L
H
NA
X
NA
NC
Store error flag
X
L
H
X
NA
H
Clear error-flag register
H
X
NC
§
H
LH
X
Z
H
Isolation§
H
X
L
L Odd
X
Z
H
(parity check)
X
L
H Even
L
X
Odd
NA
A
H
NA
A data to B bus and
L
X
Even
NA
A
L
NA
generate inverted parity
NA = not applicable, NC = no change, X = don’t care
Summation of high-level inputs includes PARITY along with Bi inputs.
Output states shown assume ERR was previously high.
§ In this mode, ERR (when clocked) shows inverted parity of the A bus.
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