UPD16666A Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD16666A Datasheet PDF : 16 Pages
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PPD16666A
POWER SUPPLY SEQUENCE OF CHIP SET
It is recommended to apply power in the following sequence.
VCC2 o VCC1 o input o VDD, VEE o V0, V1, V2
Be sure to apply LCD drive voltages V0, V1, and V2 last.
VCC2
VCC1
ON
OFF
OFF
ON
4.5 V
Input
(A0-A16, CSB, OEB,
WEB, UBEB, D0-D15,
DOFFB)
0 s or
more
0V
3.3 V
3.3 V
RESETB 0 V
VDDNote
OFF
0.3 VCC2
100 ns or
more
0 s or
more
ON
OFF
VEENote
ON
V0
OFF
V1
OFF
V2
OFF
0 ns
or
ON
more
ON
ON
Note VDD and VEE do not need to be turned ON at the same time.
Caution Turn off power to the chip set in the reverse sequence to the power application sequence.
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