R0201-BS62LV4001
Revision 2.5
April 2002
1
BSI
Low Power/Voltage CMOS SRAM
512K X 8 bit
• Wide Vcc operation voltage : 2.4V ~ 5.5V
• Low power consumption
Vcc = 3.0V C-grade: 20mA (Max.) operating current
I -grade: 25mA (Max.) operating current
0.25uA (Typ.) CMOS standby current
Vcc = 5.0V C-grade: 45mA (Max.) operation current
I -grade: 50mA (Max.) operating current
1.5uA (Typ.) CMOS standby current
• High speed access time :
-70 70ns (Max.) at Vcc = 3.0V
-10 100ns (Max.) at Vcc = 3.0V
• Automatic power down when chip is deselected
• Three state outputs and TTL compatible
• Fully static operation
• Data retention supply voltage as low as 1.5V
• Easy expansion with CE and OE options
The BS62LV4001 is a high performance, low power CMOS
Static Random Access Memory organized as 524,288 words by 8 bits
and operates from a wide range of 2.4V to 5.5V supply voltage.
Advanced CMOS technology and circuit techniques provide both high
speed and low power features with maximum access time of 70/ 100ns
in 3.0V operation.
Easy memory expansion is provided by an active LOW chip
enable (CE), and active LOW output enable (OE) and three-state
output drivers.
The BS62LV4001 has an automatic power down feature, reducing the
power consumption significantly when chip is deselected.
The BS62LV4001 is available in DICE form, JEDEC standard 32 pin
SOP, 32 pin TSOPII, 32 pin TSOP and 32 pin Small SOP.
„ FEATURES
„ GENERAL DESCRIPTION
„ FUNCTIONAL BLOCK DIAGRAM
„ PRODUCT FAMILY
„ PIN CONFIGURATIONS
Brilliance Semiconductor Inc. reserves the right to modify document contents without notice.
Address
Input
Buffer
Row
Decoder
Memory Array
2048 X 2048
Column I/O
Sense Amp
Write Driver
Column Decoder
Data
Buffer
Output
Address Input Buffer
Data
Buffer
Input
Control
Gnd
Vdd
OE
WE
CE
DQ5
DQ4
A13
A17
A15
A18
A16
A14
A12
A7
A6
A5
A4
8
8
8
8
DQ7
DQ6
DQ3
DQ2
DQ1
DQ0
16
256
2048
2048
22
A11 A9 A8 A3 A2 A1 A0 A10
BS62LV4001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
VCC
A15
A17
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
•
BS62LV4001SC
BS62LV4001SI
BS62LV4001EC
BS62LV4001EI
BS62LV4001PC
BS62LV4001PI
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
GND
DQ2
DQ1
DQ0
A0
A1
A2
A3
A11
A9
A8
A13
WE
A17
A15
C
A18
A16
A14
A12
A7
A6
A5
A4
VC
•
BS62LV4001TC
BS62LV4001STC
BS62LV4001TI
BS62LV4001STI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17