參數(shù)資料
型號: P87C528GFFFA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: CMOS single-chip 8-bit microcontroller
中文描述: 8-BIT, UVPROM, 20 MHz, MICROCONTROLLER, CDIP40
文件頁數(shù): 18/26頁
文件大?。?/td> 447K
代理商: P87C528GFFFA
Philips Semiconductors
Product specification
80C528/83C528
CMOS single-chip 8-bit microcontrollers
1995 Feb 02
18
V
DD
–0.5
0.45V
0.7V
DD
0.2V
DD
–0.1
t
CHCL
t
CLCL
t
CLCH
t
CLCX
t
CHCX
Figure 6. External Clock Drive
V
DD
–0.5
0.45V
0.2V
DD
+0.9
0.2V
DD
–0.1
NOTE:
AC inputs during testing are driven at V
DD
–0.5 for a logic ‘1’ and 0.45V for a logic ‘0’.
Timing measurements are made at V
IH
min for a logic ’1’ and V
IL
for a logic ’0’.
Figure 7. AC Testing Input/Output
V
LOAD
V
LOAD
+0.1V
V
LOAD
–0.1V
V
OH
–0.1V
V
OL
+0.1V
NOTE:
For timing purposes, a port is no longer floating when a 100mV change from load
voltage occurs, and begins to float when a 100mV change from the loaded V
OH
/
V
OL
level occurs. I
OH
/I
OL
±
20mA.
Figure 8. Float Waveform
TIMING
REFERENCE
POINTS
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