UPD16498 Datasheet, PDF (90/95 Pages) NEC – 1/128 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM

µPD16498
(4) Common
Parameter
Clock input 1
Clock input 2
Symbol
Conditions
MIN.
TYP.^Note
MAX.
Unit
fN
When using OSCIN1, external clock, and
on-chip divider, 1/128 duty, B/W mode
36
150
kHz
When using OSCIN1, external clock, and
72
150
kHz
on-chip divider, 1/128 duty,
four-level gray scale mode
fP
When using OSCIN2, external clock for
10.6
50
kHz
partial display mode, but not using on-chip
divider, B/W mode
When using OSCIN2, external clock for
21.3
50
kHz
partial display mode, but not using on-chip
divider, four-level gray scale mode
Note TYP. values are reference values when frame frequency = 70 Hz.
Cautions 1. The rise and fall times of input signal (tr and tf) are rated as 15 ns or less.
2. All timing is rated based on 20% or 80% of VDD1.
Reset timing
/RES
Internal
status
tRW
tR
During reset
Reset complete
When VDD1 = 1.7 to 2.5 V
Parameter
Symbol
Conditions
Reset time
tR
Reset low pulse width
tRW
/RES
Note TYP. values are reference values when TA = 25°C.
When VDD1 = 2.5 to 3.6 V
Parameter
Symbol
Conditions
Reset time
tR
Reset low pulse width
tRW
/RES
Note TYP. values are reference values when TA = 25°C.
Caution All timing is rated based on 20% or 80% of VDD1.
MIN.
TYP.^Note
MAX.
Unit
50
µs
50
µs
MIN.
TYP.^Note
MAX.
Unit
50
µs
50
µs
90
Data Sheet S15730EJ2V0DS