參數(shù)資料
型號： SN54HCT646W
廠商： Texas Instruments, Inc.
英文描述： Dual EIA-423/EIA-232D Line Driver; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98
中文描述： 八路總線收發(fā)器和寄存器具有三態(tài)輸出
文件頁數(shù)： 2/8頁
文件大?。?/td> 153K
代理商： SN54HCT646W
SN54HCT646, SN74HCT646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS178B – MARCH 1984 – REVISED MAY 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
21
OE
L
3
DIR
L
1
CLKAB
X
23
CLKBA
X
2
SAB
X
22
SBA
L
REAL-TIME TRANSFER
BUS B TO BUS A
21
OE
L
3
DIR
H
1
CLKAB
X
REAL-TIME TRANSFER
BUS A TO BUS B
23
CLKBA
X
2
SAB
L
22
SBA
X
21
OE
X
X
H
3
DIR
X
X
X
1
CLKAB
↑
23
CLKBA
X
↑
↑
2
SAB
X
X
X
22
SBA
X
X
X
STORAGE FROM
A, B, OR A AND B
21
OE
L
L
3
DIR
L
H
1
CLKAB
X
H or L
23
CLKBA
H or L
X
2
SAB
X
H
22
SBA
H
X
TRANSFER STORED DATA
TO A AND/OR B
X
↑
B
B
B
B
B
B
B
B
Pin numbers shown are for the DW, JT, NT, and W packages.
Figure 1. Bus-Management Functions
相關(guān)PDF資料
PDF描述
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