參數(shù)資料
型號(hào): SNJ54ABT853FK
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 總線收發(fā)器
英文描述: ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC28
封裝: CERAMIC, LCC-28
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 605K
代理商: SNJ54ABT853FK
SN54ABT853, SN74ABT853
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SCBS198F – FEBRUARY 1991 – REVISED OCTOBER 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagram (positive logic)
PARITY
ERR
CLR
B1–B8
A1– A8
LE
OEA
OEB
EN
8x
MUX
1
G1
1
2k
P
8
9
8
Pin numbers shown are for the DB, DW, JT, NT, PW, and W packages.
2–9
14
1
13
11
23–16
15
10
ERROR-FLAG FUNCTION TABLE
INPUTS
INTERNAL
TO DEVICE
OUTPUT
PRESTATE
OUTPUT
ERR
FUNCTION
CLR
LE
POINT P
ERRN–1
ERR
L
X
L
Pass
L
H
X
H
Pass
L
X
L
H
L
X
LL
Sample
H
HH
L
H
X
H
Clear
H
X
L
Store
H
X
H
Store
The state of ERR before changes at CLR, LE, or point P
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