BA6129AF 데이터 시트보기 (PDF) - ROHM Semiconductor
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BA6129AF Datasheet PDF : 9 Pages
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Memory ICs
•Application example
Vcc
5V
C1
10µF
R1
10kΩ
BA6129AF / BA6162 / BA6162F
8
7
6
5
SRAM
VDD
C2
0.01µF
+
Vref
–
+
–
+
–
1
2
3
4
BATTERY
3V
SRAM
CEB
SRAM
CE
CPU
Reset
Fig. 3
•Operation notes
(1) Power supply VCC
These ICs are designed to operate with at VCC = 5V,
but can also operate at VCC values of other than 5V.
However, the following conditions must be met:
(equation)
{ VS + VSH < VCC < VCCMax.
VCC – VBAT < 5V
(2) Battery voltage VBAT
These ICs are designed to operate with at VBAT = 3V,
but can also operate at VBAT values of other than 3V.
However, the following conditions must be met:
(equation)
{ VBAT < VB
VCC – VBAT < 5V
where) VS: detection voltage
VSH: detection hysteresis voltage
VB: switching voltage
7
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