IDT54FCT646ATLB View Datasheet(PDF) - Integrated Device Technology
Part Name
Description
MFG CO.
IDT54FCT646ATLB Datasheet PDF : 9 Pages
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IDT54/74FCT646/2646/652/2652T/AT/CT/DT, 648T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER
BUS
A
BUS
B
MILITARY AND COMMERCIAL TEMPERATURE RANGES
BUS
A
BUS
B
652/2652
646/2646/
648
GAB
L
DIR
L
GBA
L
G
L
CPAB
X
CPAB
X
CPBA
X
CPBA
X
SAB
X
SAB
X
SBA
L
SBA
L
REAL-TIME TRANSFER
BUS B TO A
2634 drw 06
652/2652
646/2646/
648
GAB
H
DIR
H
GBA
H
G
L
CPAB
X
CPAB
X
CPBA
X
CPBA
X
REAL-TIME TRANSFER
BUS A TO B
SAB
L
SAB
L
SBA
X
SBA
X
2634 drw 07
BUS
A
BUS
B
BUS
A
BUS
B
652/2652
GAB
X
L
L
GBA
H
X
H
CPAB
↑
X
↑
CPBA
X
↑
↑
646/2646/ DIR G
648
HL
L
L
XH
CPAB
↑
X
↑
CPBA
X
↑
↑
STORAGE FROM
A AND/OR B
SAB
X
X
X
SBA
X
X
X
SAB
X
X
X
SBA
X
X
X
652/2652 GAB
H
(1)
646/2646/ DIR
648
L
H
GBA
L
G
L
L
CPAB
H or
CPAB
X
H or
CPBA
H or
CPBA
H or
X
SAB SBA
H
H
SAB SBA
X
H
H
X
TRANSFER STORES
DATA TO A AND/OR B
2634 drw 09
2634 drw 08
NOTE:
1. 646/2646/648 cannot transfer data to A bus and B bus simultaneously.
6.20
4
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