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STC62WV1M8ECG70 bảng dữ liệu(PDF) 1 Page - List of Unclassifed Manufacturers

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Giải thích chi tiết về linh kiện  Very Low Power/Voltage CMOS SRAM 1M X 8 bit
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Revision 2.1
Jan.
2004
1
R0201-
STC62WV1M8
Very Low Power/Voltage CMOS SRAM
1M X 8 bit
• 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
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/25oC and maximum access time of 55ns at 3.0V/85oC.
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.
GENERAL DESCRIPTION
FEATURES
FUNCTIONAL BLOCK DIAGRAM
PRODUCT FAMILY
PIN CONFIGURATIONS
STC International Limited. reserves the right to modify document contents without notice.
Address
Input
Buffer
Row
Decoder
Memory Array
2048 X 4096
Column I/O
Write Driver
Sense Amp
Column Decoder
Data
Buffer
Output
Address Input Buffer
Data
Buffer
Input
Control
Gnd
Vdd
OE
WE
CE2
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
A13
A17
A15
A18
A16
A14
A12
A7
A6
A5
A4
8
8
8
8
18
512
4096
2048
22
A11A9 A8 A3 A2 A1 A0A10 A19
STC62WV1M8
POWER DISSIPATION
SPEED
( ns )
STANDBY
( ICCSB1, Max )
Operating
( ICC , Max )
PRODUCT
FAMILY
OPERATING
TEMPERATURE
Vcc
RANGE
Vcc=3V
Vcc=5V
Vcc=3V
Vcc=5V
PKG TYPE
STC62WV1M8EC
TSOP2-44
STC62WV1M8FC
+0 OC to +70OC
2.4V ~ 5.5V
55 / 70
5uA
55uA
24mA
60mA
BGA-48-0912
STC62WV1M8EI
TSOP2-44
STC62WV1M8FI
-40OC to +85OC
2.4V ~ 5.5V
55 / 70
10uA
110uA
25mA
61mA
BGA-48-0912
A4
A3
A2
A1
A0
CE1
NC
NC
DQ0
DQ1
VCC
GND
DQ2
DQ3
NC
NC
WE
A19
A18
A17
A16
A15
A5
A6
A7
OE
CE2
A8
NC
NC
DQ7
DQ6
GND
VCC
DQ5
DQ4
NC
NC
A9
A10
A11
A12
A13
A14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
STC62WV1M8EC
STC62WV1M8EI
CE1
STC
• 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
70ns
70ns
55ns : 3.0~5.5V
70ns : 2.7~5.5V
G
H
F
E
D
C
B
A
1
234
5
6
A9
A8
A11
A10
A18
A19
A12
A14
A13
A15
WE
NC
NC
NC
NC
NC
D3
D7
VSS
A17
A16
A7
VCC
VSS
VCC
D2
D1
D6
D5
VCC
A5
OE
A3
A0
A6
A4
A1
A2
CE2
NC
NC
NC
NC
NC
CE1
D4
NC
D0
48-ball BGA top view


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