msm6577 Oki Optical Components, msm6577 Datasheet - Page 19

• Manufacturer Part Number: msm6577
• Description: Operatable 0.9v Built-in Driver 4-bit Microcontroller
• Manufacturer: Oki Optical Components

¡ Semiconductor
(Figure 1) 1.5 V Operation (Backup Flag="1")
(Figure 2) 1.5 V Operation (Backup Flag="0")
(Figure 3) 3.0 V Operation (Backup Flag="1")
V
V
(–3.0 V)
V
V
(–3.0 V)
V
(–1.5 V)
V
DD
B
DD
B
DD=
B
=–1.5 V
=–1.5 V
=–3.0 V
=0 V
=0 V
0 V
V
V
V
EE
EE
EE
V
V
V
V
V
V
V
V
V
DD
SS1
SS2
DD
SS1
SS2
DD
SS1
SS2
Voltage converter
Voltage converter
Voltage converter
doubler
Voltage
doubler
Voltage
doubler
Voltage
VR
VR
VR
Internal logic
Internal logic
Internal logic
* When the software duty is about 5%
* When the software duty is about 5%
* When the software duty is about 5%
Internal
status
Operating
range
Current
consumption
Feature
Internal
status
Operating
range
Current
consumption
Feature
Internal
status
Operating
range
Current
consumption
Feature
The battery level V
constant voltage circuit.
–0.9 to –1.75 V
1.5 mA*
When the battery level is powered down, the internal
circuit is powered directly by the battery.
A doubled level of V
constant voltage circuit.
–0.9 to –1.75 V
3 mA*
When the baftery level is powered down, a larger
operating voltage margin is gained, compared to the
case of Figure 1.
The battery level V
constant voltage circuit.
–0.9 to –3.5 V
1.5 mA*
When the battery level is powered down, the internal
circuit is powered directly by the battery.
SS1
SS2
SS2
is applied to the input of the
is applied to the input of the
is applied to the input of the
MSM6577-xx
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