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CXK5V8257BTM Datasheet(PDF) 2 Page - Sony Corporation

Part No. CXK5V8257BTM
Description  32768-word X 8-bit High Speed CMOS Static RAM
Download  9 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXK5V8257BTM Datasheet(HTML) 2 Page - Sony Corporation

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CXK5V8257BTM/BYM/BM
Pin Configuration (Top View)
Pin Description
OE
A11
A9
A8
A13
WE
Vcc
A14
A12
A7
A6
A5
A4
A3
A10
CE
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
CXK5V8257BTM
(Standard Pinout)
A3
A4
A5
A6
A7
A12
A14
Vcc
WE
A13
A8
A9
A11
OE
A2
A1
A0
I/O1
I/O2
I/O3
GND
I/O4
I/O5
I/O6
I/O7
I/O8
CE
A10
CXK5V8257BYM
(Mirror Image Pinout)
7
6
5
4
3
2
1
28
27
26
25
24
23
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
19
18
17
16
15
20
21
22
23
24
25
26
27
28
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
GND
CXK5V8257BM
16
9
8
21
20
19
18
17
10
11
12
13
14
15
Vcc
WE
A13
A8
A9
A11
OE
A10
CE
I/O8
I/O7
I/O6
I/O5
I/O4
Address input
data input/output
Chip enable input
Write enable input
Output enable input
+3.3V power supply
Ground
A0 to A14
I/O1 to I/O8
CE
WE
OE
VCC
GND
Symbol
Description
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
0 to +70
–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”
DC Recommended Operating Conditions
(Ta = 0 to +70°C, GND = 0V)
Supply voltage
Input high voltage
Input low voltage
VCC
VIH
VIL
3.0
2.0
–0.3∗2
3.3
3.6
VCC + 0.3
0.8
V
Item
Symbol
Min.
Typ.
Max.
Unit
2 V
IL
= –3.0V Min. for pulse width less than 50ns.


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