For the availability of this product, please contact the sales office.
131072-word × 8-bit High Speed CMOS Static RAM
Description
The CXK5T81000ATM/AYM/AM is a high speed
CMOS static RAM organized as 131072-words by
8-bits.
Special feature are low power consumption and
high speed.
The CXK5T81000ATM/AYM/AM is a suitable RAM
for portable equipment with battery back up.
Features
• Extended operating temperature range:
–25 to +85°C
• Wide supply voltage range operation: 2.7 to 3.6V
• Fast access time:
(Access time)
3.0V operation -10LLX100ns(Max.)
-12LLX120ns(Max.)
3.3V operation -10LLX85ns(Max.)
-12LLX100ns(Max.)
• Low standby current:28µA(Max.)
• Low data retention current: 24µA(Max.)
• Low voltage data retention:2.0V(Min.)
• Package line-up
CXK5T81000ATM/AYM
8mm × 20mm 32 pin TSOP package
CXK5T81000AM
525mil 32 pin SOP package
Function
131072-word × 8-bit static RAM
Structure
Silicon gate CMOS IC
CXK5T81000ATM
32 pin TSOP (Plastic)
Block Diagram
A10
A11
A9
A8
A13
A15
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
OE
WE
CE1
CE2
Buffer
Buffer
Buffer
CXK5T81000AM
32 pin SOP (Plastic)
Preliminary
CXK5T81000AYM
32 pin TSOP (Plastic)
Row
Decoder
Memory
Matrix
1024 ×1024
I/O Gate
Column
Decoder
I/O Buffer
I/O1I/O8
VCC
GND
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 –
PE96324-ST
CXK5T81000ATM/AYM/AM
Pin Configuration (Top View)
A11
A13
CE2
A15
A16
A14
A12
CE2
WE
V
NC
A12
A14
A16
V
A15
WE
A13
A11
1
2
A9
3
A8
4
5
6
7
CC
8
9
10
11
12
A7
13
A6
14
15
A5
16
A4
16
A4
A5
15
A6
14
A7
13
12
11
10
9
NC
8
CC
7
6
5
4
A8
3
2
A9
1
CXK5T81000ATM
(Standard Pinout)
CXK5T81000AYM
(Mirror Image Pinout)
32
OE
31
A10
30
CE1
29
I/O8
I/O7
28
I/O6
27
26
I/O5
25
I/O4
24
GND
23
I/O3
22
I/O2
I/O1
21
A0
20
A1
19
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
29
I/O8
30
CE1
31
A10
32
OE
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CXK5T81000AM
32
V
CC
31
A15
30
CE2
29
WE
28
A13
27
A8
26
A9
25
A11
24
OE
23
A10
22
CE1
21
I/O8
20
I/O7
19
I/O6
18
I/O5
17
I/O4
Absolute Maximum Ratings(Ta = 25°C, GND = 0V)
ItemSymbolRatingUnit
Pin Description
SymbolDescription
A0 to A16
I/O1 to I/O8
CE1, CE2
WE
OE
VCC
GND
NC
Address input
Data input output
Chip enable 1, 2 input
Write enable input
Output enable input
Power supply
Ground
No connection
Supply voltage
Input voltage
Input and output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Soldering temperature · time
∗1
VIN, VI/O = –3.0V Min. for pulse width less than 50ns.