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TC74ACT245F Datasheet(PDF) 2 Page - Toshiba Semiconductor

Part # TC74ACT245F
Description  OCTAL BUS TRANSCEIVER
PDF  11 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74ACT245F Datasheet(HTML) 2 Page - Toshiba Semiconductor

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TC51WHM516AXBN65,70
2002-08-22
2/11
BLOCK DIAGRAM
OPERATION MODE
MODE
CE1
CE2
OE
WE
LB
UB
Add
I/O1 to I/O8
I/O9 to I/O16
POWER
Read(Word)
L
H
L
H
L
L
X
DOUT
DOUT
IDDO
Read(Lower Byte)
L
H
L
H
L
H
X
DOUT
High-Z
IDDO
Read(Upper Byte)
L
H
L
H
H
L
X
High-Z
DOUT
IDDO
Write(Word)
L
H
X
L
L
L
X
DIN
DIN
IDDO
Write(Lower Byte)
L
H
X
L
L
H
X
DIN
Invalid
IDDO
Write(Upper Byte)
L
H
X
L
H
L
X
Invalid
DIN
IDDO
Outputs Disabled
L
H
H
H
X
X
X
High-Z
High-Z
IDDO
Standby
H
H
X
X
X
X
X
High-Z
High-Z
IDDS
Deep Power-down Standby
H
L
X
X
X
X
X
High-Z
High-Z
IDDSD
Notes: L
= Low-level Input(VIL), H = High-level Input(VIH), X = VIH or VIL, High-Z = High-impedance
VDD
GND
I/O1
CE
I/O8
CE
I/O9
I/O16
OE
UB
LB
A0 A1 A2 A3 A4 A5
CE2
MEMORY CELL ARRAY
4,096
× 512 × 16
(33,554,432)
CONTROL SIGNAL
GENERATOR
SENSE AMP
A6
CE
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
COLUMN ADDRESS
DECODER
COLUMN ADDRESS
BUFFER
I/O2
I/O3
I/O5
I/O4
I/O6
I/O7
I/O15
I/O14
I/O13
I/O12
I/O11
I/O10
A7 A8
REFRESH
CONTROL
REFRESH
ADDRESS
COUNTER
WE
CE1
A20



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