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STC62WV1M8FI

Description
Very Low Power/Voltage CMOS SRAM 1M X 8 bit
File Size248KB,9 Pages
ManufacturerETC
Download Datasheet View All

STC62WV1M8FI Overview

Very Low Power/Voltage CMOS SRAM 1M X 8 bit

STC
FEATURES
Very Low Power/Voltage CMOS SRAM
1M X 8 bit
STC62WV1M8
• Wide Vcc operation voltage : 2.4V ~ 5.5V
• Very low power consumption :
Vcc = 3.0V C-grade: 30mA (@55ns) operating current
I -grade: 31mA (@55ns) operating current
C-grade: 24mA (@70ns) operating current
I -grade: 25mA (@70ns) operating current
1.5uA (Typ.) CMOS standby current
Vcc = 5.0V C-grade: 75mA (@55ns) operating current
I -grade: 76mA (@55ns) operating current
C-grade: 60mA (@70ns) operating current
I -grade: 61mA (@70ns) operating current
8.0uA (Typ.) CMOS standby current
• High speed access time :
-55
55ns
-70
70ns
• 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 CE1, CE2 and OE options
GENERAL DESCRIPTION
The
STC62WV1M8
is a high performance , very low power CMOS Static
Random Access Memory organized as 1,048,576 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 a typical CMOS standby current of
1.5uA at 3V/25
o
C and maximum access time of 55ns at 3.0V/85
o
C.
Easy memory expansion is provided by an active LOW chip enable (CE1)
, an active HIGH chip enable (CE2) and active LOW output enable (OE)
and three-state output drivers.
The
STC62WV1M8
has an automatic power down feature, reducing the
power consumption significantly when chip is deselected.
The
STC62WV1M8
is available in 48B BGA and 44L TSOP2 packages.
PRODUCT FAMILY
PRODUCT
FAMILY
STC62WV1M8EC
STC62WV1M8FC
STC62WV1M8EI
STC62WV1M8FI
OPERATING
TEMPERATURE
+0
O
C to +70
O
C
-40
O
C to +85
O
C
Vcc
RANGE
2.4V ~ 5.5V
2.4V ~ 5.5V
SPEED
( ns )
55ns : 3.0~5.5V
70ns : 2.7~5.5V
( I
CCSB1
, Max )
POWER DISSIPATION
STANDBY
Operating
( I
CC
, Max )
PKG TYPE
TSOP2-44
BGA-48-0912
TSOP2-44
BGA-48-0912
Vcc=3V
Vcc=5V
Vcc=3V
70ns
Vcc=5V
70ns
55 / 70
55 / 70
5uA
10uA
55uA
110uA
24mA
25mA
60mA
61mA
PIN CONFIGURATIONS
A4
A3
A2
A1
A0
CE1
NC
NC
DQ0
DQ1
VCC
GND
DQ2
DQ3
NC
NC
WE
A19
A18
A17
A16
A15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
6
A5
A6
A7
OE
CE2
A8
NC
NC
DQ7
DQ6
GND
VCC
DQ5
DQ4
NC
NC
A9
A10
A11
A12
A13
A14
FUNCTIONAL BLOCK DIAGRAM
STC62WV1M8EC
STC62WV1M8EI
A13
A17
A15
A18
A16
A14
A12
A7
A6
A5
A4
Address
Input
Buffer
22
Row
Decoder
2048
Memory Array
2048 X 4096
4096
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
CE1
CE2
WE
OE
Vdd
Gnd
8
Data
Input
Buffer
8
Column I/O
Write Driver
Sense Amp
512
Column Decoder
18
Control
Address Input Buffer
2
3
4
5
A
NC
NC
OE
A0
A1
A2
CE2
B
NC
A3
A4
CE1
NC
NC
8
C
D0
NC
A5
A6
Data
Output
Buffer
8
D4
D
VSS
D1
A17
A7
D5
VCC
E
VCC
D3
D2
VCC
A16
D6
VSS
F
NC
A14
A15
NC
D7
A11A9 A8 A3 A2 A1 A0A10 A19
G
NC
NC
A12
A13
WE
NC
H
A18
A8
A9
A10
A11
A19
48-ball BGA top view
STC International Limited
. reserves the right to modify document contents without notice.
R0201-STC62WV1M8
1
Revision 2.1
Jan.
2004
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