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131072-word × 8-bit High Speed CMOS Static RAM
Description
The CXK581000ATM/AYM/AM/AP is a high speed
CMOS static RAM organized as 131072-words by
8 bits.
A polysilicon TFT cell technology realized extremely low
stand- by current and higher data retention stability.
Special feature are low power consumption, high
speed and broad package line-up.
The CXK581000ATM/AYM/AM/AP ia a suitable
RAM for portable equipment with battery back up.
Features
• Fast access time:
CXK581000ATM/AYM/AM/AP (Access time)
-55LL/55SL55ns (Max.)
-70LL/70SL70ns (Max.)
-10LL/10SL100ns (Max.)
• Low standby current:
CXK581000ATM/AYM/AM/AP
-55LL/70LL/10LL20µA (Max.)
-55SL/70SL/10SL12µA (Max.)
• Low data retention current
CXK581000ATM/AYM/AM/AP
-55LL/70LL/10LL12µA (Max.)
-55SL/70SL/10SL4µA (Max.)
• Single +5V supply: +5V ±10%
• Low voltage data retention: 2.0V (Min.)
• Broad package line-up
• CXK581000ATM/AYM
8mm × 20mm 32 pin TSOP package
• CXK581000AM525mil 32 pin SOP package
• CXK581000AP600mil 32 pin DIP package
CXK581000ATM
32 pin TSOP (Plastic)
CXK581000AM
32 pin SOP (Plastic)
Block Diagram
A10
A11
A9
A8
A13
A15
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
Buffer
Buffer
-55LL/70LL/10LL
-55SL/70SL/10SL
CXK581000AYM
32 pin TSOP (Plastic)
CXK581000AP
32 pin DIP (Plastic)
Row
Decoder
Memory
Matrix
1024 × 1024
I/O Gate
Column
Decoder
VCC
GND
Functions
131072-word × 8-bit static RAM
OE
WE
CE1
CE2
Buffer
I/O Buffer
I/O 1I/O 8
Structure
Silicon gate CMOS IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
– 1 –
E92756D53-PP
CXK581000ATM/AYM/AM/AP
Pin Configuration (Top View)
1
A11
2
A9
3
A8
4
A13
5
WE
6
CE2
7
A15
8
VCC
A16
A14
A12
A12
A14
A16
V
A15
CE2
WE
A13
A11
9
NC
10
11
12
13
A7
14
A6
15
A5
16
A4
16
A4
15
A5
14
A6
13
A7
12
11
10
9
NC
8
CC
7
6
5
4
3
A8
2
A9
1
CXK581000ATM
(Standard Pinout)
CXK581000AYM
(Mirror Image Pinout)
OE
32
31
A10
CE1
30
29
I/O8
I/O7
28
27
I/O6
I/O5
26
25
I/O4
GND
24
23
I/O3
I/O2
22
21
I/O1
A0
20
19
A1
A2
18
17
A3
A3
17
A2
18
A1
19
A0
20
I/O1
21
I/O2
22
I/O3
23
GND
24
I/O4
25
I/O5
26
I/O6
27
I/O7
28
I/O8
29
CE1
30
A10
31
OE
32
1
NC
2
A16
3
A14
4
A12
5
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
12
A0
13
I/O1
14
I/O2
15
I/O3
16
GND
CXK581000AM
CXK581000AP
Pin Description
32
VCC
31
A15
CE2
WE
A13
A8
A9
A11
OE
A10
CE1
I/O8
I/O7
I/O6
I/O5
I/O4
A0 to A16
I/O1 to I/O8
CE1, CE2
WE
OE
Vcc
GND
NC
30
29
28
27
26
25
24
23
22
21
20
19
18
17
SymbolDescription
Address input
Data input output
Chip enable 1, 2 input
Write enable input
Output enable input
Power supply
Ground
No connection
Absolute Maximum Ratings(Ta = 25°C, GND = 0V)
ItemSymbolRatingUnit
Supply voltage
Input voltage
Input and output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Soldering temperature
∗
VIN,VI/O = –3.0V Min. for pulse width less than 50ns.