參數(shù)資料
型號: GMS97C52
英文描述: 8-Bit CMOS Microcontrollers(高性價比的51單片機,片內(nèi)8KEPROM,256字節(jié)RAM,工作電壓5V)
中文描述: 8位CMOS微控制器(高性價比的51單片機,片內(nèi)8KEPROM,256字節(jié)的RAM,工作電壓5V的)
文件頁數(shù): 55/59頁
文件大?。?/td> 812K
代理商: GMS97C52
EPROM Programming and Verification Characteristics
T
A
= 21
é
to 27
é
Vcc = 5V
±
10%, Vss = 0V (See Figure 15)
Parameter
Symbol
Limit Values
Unit
min.
12.5
max.
13.0
Programming supply voltage
V
PP
V
Programming supply current
I
PP
-
50
mA
Oscillator frequency
1/
t
CLCL
4
6
MHz
Address setup to PROG low
t
AVGL
48
t
CLCL
-
-
Address hold after PROG
t
GHAX
48
t
CLCL
-
-
Data setup to PROG low
t
DVGL
48
t
CLCL
-
-
Data setup after PROG
t
GHDX
48
t
CLCL
-
-
P2.7 (ENABLE) high to V
PP
t
EHSH
48
t
CLCL
-
-
V
PP
setup to PROG low
t
SHGL
10
-
us
V
PP
hold after PROG
t
GHSL
10
-
us
PROG width
t
GLGL
90
110
us
Address to data valid
t
AVQL
-
48t
CLCL
-
ENABLE low to data valid
t
ELQZ
-
48t
CLCL
-
Data float after ENABLE
t
EHQZ
0
48t
CLCL
-
PROG high to PROG low
t
GHGL
10
us
8-Bit CMOS Microcontroller
GMS90 Series
MAY. 1998
55
LG Semicon MCU
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