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CXK5T8257BTM Datasheet(PDF) 2 Page - Sony Corporation

Part No. CXK5T8257BTM
Description  32768-word X 8-bit High Speed CMOS Static RAM
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Maker  SONY [Sony Corporation]
Homepage  http://www.sony.co.jp
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CXK5T8257BTM/BYM/BM
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VCC
WE
A13
A8
A9
A11
OE
A10
CE
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
A4
A5
A6
A7
A12
A14
CXK5T8257BM
A11
A9
A8
A13
WE
VCC
A14
A12
A7
A6
A5
A4
OE
A10
CE
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
22
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25
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28
1
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8
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CXK5T8257BTM
(Standard Pinout)
A4
A5
A6
A7
A12
A14
VCC
WE
A13
A8
A9
A11
A3
A2
A1
A0
I/O1
I/O2
I/O3
GND
I/O4
I/O5
I/O6
I/O7
I/O8
CE
A10
OE
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3
2
1
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CXK5T8257BYM
(Standard Pinout)
Address input
Data input/output
Chip enable input
Write enable input
Output enable input
Power supply
Ground
A0 to A14
I/O1 to I/O8
CE
WE
OE
VCC
GND
Symbol
Description
Pin Description
Pin Configuration (Top View)
Supply voltage
Input voltage
Input and output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Soldering temperature · time
VCC
VIN
VI/O
PD
Topr
Tstg
Tsolder
–0.5 to +4.6
–0.5∗1 to VCC + 0.5
–0.5∗1 to VCC + 0.5
0.7
–25 to +85
–55 to +150
235 · 10
V
V
V
W
°C
°C
°C · s
Item
Symbol
Rating
Unit
H
L
L
L
×
H
L
×
×
H
H
L
Not selected
Output disable
Read
Write
High Z
High Z
Data out
Data in
ISB1, ISB2
ICC1, ICC2
ICC1, ICC2
ICC1, ICC2
CE
OE
WE
Mode
I/O1 to I/O8
VCC Current
Absolute Maximum Ratings
(Ta = 25°C, GND = 0V)
1 V
IN
, VI/O = –3.0V Min. for pulse width less than 50ns.
Truth Table
×: "H" or "L"




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