HMS87C1304A Datasheet, PDF (67/70 Pages) Hynix Semiconductor – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

HYUNDAI MicroElectronics
HMS87C1304A/HMS87C1302A
T_SET1
T_{HLD1 TDLY1}
T_HLD2
T_DLY2
EPROM
Enable
T_VPPS
V_IHP
V_PP
CTL0
T_VDDS
0V
CTL1 ^0V
CTL2 0V
T_VPPR
T_CD1
T_CD1
V_DD1H
V_DD1H
T_CD1
T_CD1
A_D7~
A_D0
HA
LA
DATA IN
DATA
OUT
LA
DATA IN
DATA
OUT
V_DD
EPROM
Enable
ary ^VDD1H
High 8bit Low 8bit
Address Address
Input
Input
Write Mode
Verify
Low 8bit
Address
Input
Write Mode
Figure 20-3 Timing Diagram in Program (Write & Verify) Mode
Verify
in _{After input a high address,}
output data following low address input
lim ^TSET1
T_{HLD1 TDLY1}
Another high address step
Pre ^TVPPS
V_IHP
V_PP
CTL0
T_VDDS
0V
T_VPPR
CTL1 ^0V
CTL2 0V
T_CD1
T_CD2
V_DD2H
V_DD2H
T_CD2
T_CD1
A_D7~
A_D0
V_DD
V_DD2H
HA
LA
DATA
LA
DATA
HA
LA
DATA
High 8bit Low 8bit
Address Address
Input
Input
DATA
Output
Low 8bit
Address
Input
DATA
Output
High 8bit Low 8bit
Address Address
Input
Input
DATA
Output
Figure 20-4 Timing Diagram in READ Mode
Jan. 2001
Preliminary
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