October 2000
®
AS6UA5128
2.3V to 3.6V 512K×8 Intelliwatt low-power CMOS SRAM
Features
• AS6UA5128
• Intelliwatt™ active power circuitry
• Industrial and commercial temperature ranges available
• Organization: 524,288 words × 8 bits
• 2.7V to 3.6V at 55 ns
• 2.3V to 2.7V at 70 ns
• Low power consumption: ACTIVE
- 144 mW at 3.6V and 55 ns
- 68 mW at 2.7V and 70 ns
- 41 µW max at 2.7V
- 28 µW max at 2.3V
• 1.2V data retention
• Equal access and cycle times
• Easy memory expansion with CS, OE inputs
• Smallest footprint packages
- 36(48)-ball FBGA
- 32-pin TSOP I and TSOP II packages are available on
Alliance AS6UB5128 product family (available January
2001)
• Low power consumption: STANDBY
- 72 µW max at 3.6V
• ESD protection
≥
2000 volts
• Latch-up current
≥
200 mA
Logic block diagram
V
CC
GND
Input buffer
A0
A1
A2
A3
A4
A5
A6
A7
A8
Pin arrangement
36(48)-CSP BGA Package
(shading indicates no ball)
A
B
C
D
E
F
G
H
1
A
0
I/O5
I/O6
V
SS
V
CC
I/O7
I/O8
A
9
2
A
1
A
2
3
NC
WE
Row decoder
Sense amp
512K
×
8
Array
(4,194,304)
I/O8
NC
4
A
3
A
4
A
5
5
A
6
A
7
A
18
OE
CS
I/O1
Column decoder
A9
A10
A11
A12
A13
A14
A15
A16
WE
OE
CS
A
10
A
11
A
17
A
16
A
12
A
15
A
13
6
A
8
I/O
1
I/O
2
V
CC
V
SS
I/O3
I/O4
A
14
Control
circuit
Selection guide
Product
AS6UA5128
AS6UA5128
Min
(V)
2.7
2.3
V
CC
Range
Typ
2
(V)
3.0
2.5
Max
(V)
3.6
2.7
Speed
(ns)
55
70
Power Dissipation
Standby (I
SB1
)
Operating (I
CC
)
Max (mA)
Max (
µ
A)
2
20
1
15
10/6/00
ALLIANCE SEMICONDUCTOR
1
Copyright ©2000 Alliance Semiconductor. All rights reserved.
SEMICOA [ SEMICOA SEMICONDUCTOR ]
