GMS90C3X Datasheet, PDF (55/59 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS90 Series
EPROM Programming and Verification Characteristics
T_A= 21°C to 27°C, V_CC= 5V + 10%, − 15%; V_SS=0V;
Parameter
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_PP
V_PP setup to PROG
V_PP hold after PROG
PROG width
Address to data valid
ENABLE low to data valid
Data float after ENABLE
PROG high to PROG low
Symbol
V_PP
I_PP
1/t_CLCL
t_AVGL
t_GHAX
t_DVGL
t_GHDX
t_EHSH
t_SHGL
t_GHSL
t_GLGL
t_AVQV
t_ELQV
t_EHQZ
t_GHGL
Limit Values
Min.
Max.
12.5
13.0
-
50
4
6
48t_CLCL
-
48t_CLCL
-
48t_CLCL
-
48t_CLCL
-
48t_CLCL
-
10
-
10
-
90
110
-
48t_CLCL
-
48t_CLCL
0
48t_CLCL
10
-
Unit
V
mA
MHz
-
-
-
-
-
µs
µs
µs
-
-
-
µs
P1.0-P1.7
P2.0-P2.5
P3.4
PROGRAMMING
ADDRESS
PORT 0
ALE/PROG
EA/V_PP
P2.7
(ENABLE)
tDVGL
t_AVGL
DATA IN
25 or 10
PULSES
t_SHGL
t_{G LG L}
TTL HIGH
t_EHSH
t_GHGL
V_PP
t_AVQV
t_GHDX
t_GHAX
VERIFICATION
ADDRESS
DATA OUT
t_GHSL
TTL HIGH
tELQV
TTL HIGH
t_EHQZ
Figure 15. EPROM Programming and Verification
Oct. 2000 Ver 3.1a
51