GMS90 Hynix Semiconductor, GMS90 Datasheet - Page 55

• Manufacturer Part Number: GMS90
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: Hynix Semiconductor

GMS90 Series
EPROM Programming and Verification Characteristics
T
Figure 15. EPROM Programming and Verification
Dec. 1998 Ver 3.0
A
Programming supply voltage
Programming supply current
Oscillator frequency
Address setup to PROG low
Address hold after PROG
Data setup to PROG
Data hold after PROG
P2.7 (ENABLE) high to V
V
V
PROG width
Address to data valid
ENABLE low to data valid
Data float after ENABLE
PROG high to PROG low
= 21 C to 27 C, V
PP
PP
setup to PROG
hold after PROG
ALE/PROG
(ENABLE)
P1.0-P1.7
P2.0-P2.5
PORT 0
EA/V
Parameter
P2.7
P3.4
PP
TTL HIGH
CC
t
EHSH
= 5V + 10%,
PP
t
t
t
AVGL
DVGL
SHGL
t
G L G L
ADDRESS
DATA IN
PROGRAMMING
15%; V
PULSES
25 or 10
Symbol
V
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
GHGL
PP
GHDX
GHAX
DVGL
EHSH
SHGL
GHSL
AVQV
EHQZ
GHGL
AVGL
GLGL
ELQV
V
I
CLCL
PP
PP
SS
=0V;
t
t
GHDX
t
GHAX
GHSL
t
TTL HIGH
48t
48t
48t
48t
48t
AVQV
t
ELQV
Min.
12.5
10
10
90
10
CLCL
CLCL
CLCL
CLCL
CLCL
4
0
-
-
-
Limit Values
VERIFICATION
ADDRESS
DATA OUT
48t
48t
48t
Max.
13.0
110
50
CLCL
CLCL
CLCL
6
-
-
-
-
-
-
-
-
t
EHQZ
TTL HIGH
MHz
Unit
mA
V
-
-
-
-
-
-
-
-
s
s
s
s
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