参数资料
型号: M48T37V-10MH1TR
厂商: 意法半导体
英文描述: 3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM
中文描述: 3.3 - 5V的256千位的32KB的SRAM x8计时器
文件页数: 3/20页
文件大小: 128K
代理商: M48T37V-10MH1TR
3/20
M48T37Y, M48T37V
Table 3. Operating Modes
(1)
Note: 1. X = V
IH
or V
IL
; V
SO
= Battery Back-up Switchover Voltage.
2. See Table 7 for details.
Mode
V
CC
E
G
W
DQ0-DQ7
Power
Deselect
4.5V to 5.5V
(M48T37Y)
or
3.0V to 3.6V
(M48T37V)
V
IH
X
X
High Z
Standby
Write
V
IL
X
V
IL
D
IN
Active
Read
V
IL
V
IL
V
IH
D
OUT
Active
Read
V
IL
V
IH
V
IH
High Z
Active
Deselect
V
SO
to V
PFD
(min)
(2)
X
X
X
High Z
CMOS Standby
Deselect
V
SO
X
X
X
High Z
Battery Back-up Mode
Figure 3. Block Diagram
AI03253
LITHIUM
CELL
OSCILLATOR AND
CLOCK CHAIN
VPFD
RST
VCC
VSS
32,768
Hz
CRYSTAL
VOLTAGE SENSE
AND
SWITCHING
CIRCUITRY
16 x 8 BiPORT
SRAM ARRAY
32,752 x
8
SRAM ARRAY
A0-A14
DQ0-DQ7
E
W
G
POWER
IRQ/FT
WDI
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