参数资料
型号: M48T212V-85MH1E
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO44
封装: 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-44
文件页数: 2/35页
文件大小: 348K
代理商: M48T212V-85MH1E
Obsolete
Product(s)
- Obsolete
Product(s)
Operation
M48T212V
Table 2.
Operating modes
Note:
X = VIH or VIL; VSO = Battery back-up switchover voltage
Table 3.
Truth table for SRAM bank select
Note:
X = VIH or VIL; VSO = Battery back-up switchover voltage
Figure 4.
Chip enable control and bank select timing
Mode
VCC
E
G
W
DQ7-DQ0
Power
Deselect
3.0V to 3.6V
VIH
X
High-Z
Standby
WRITE
VIL
XVIL
DIN
Active
READ
VIL
VIH
DOUT
Active
READ
VIL
VIH
High-Z
Active
Deselect
VSO to VPFD (min)
(1)
1.
See Table 14 on page 28 for details.
XXX
High-Z
CMOS standby
Deselect
≤ VSO(1)
X
High-Z
Battery back-up
Mode
VCC
EX
AE1CON
E2CON
Power
Select
3.0V to 3.6V
Low
High
Active
Low
High
Low
Active
Deselect
High
X
High
Standby
Deselect
VSO to VPFD (min)
(1)(
1.
See Table 14 on page 28 for details.
X
High
CMOS standby
Deselect
≤ VSO(1)
X
High
Battery back-up
AI02639
tEXPD
tAPD
tEXPD
EX
A
E1CON
E2CON
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