GMS81C2020 Datasheet, PDF (87/92 Pages) Hynix Semiconductor – CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

Hyundai Micro Electronics
GMS81C2020/GMS81C2120
EPROM
Enable
T_SET1
T_{HLD1 TDLY1}
T_VPPS
V_IHP
VPP
CTL0/1
T_VDDS
0V
T_VPPR
CTL2 ^0V
CTL3 0V
A_D7~
A_D0
VDD
V_DD1H
T_CD1
T_CD1
V_DD1H
HA
LA
High 8bit Low 8bit
Address Address
Input
Input
T_HLD2
T_DLY2
V_DD1H
T_CD1
T_CD1
DATA IN
DATA
OUT
LA
Write Mode
Verify
Low 8bit
Address
Input
DATA IN
DATA
OUT
Write Mode
Verify
Figure 24-4 Timing Diagram in Program (Write & Verify) Mode
Nov. 1999 Ver 0.0
preliminary
87