參數(shù)資料
型號: P80C652FBPN
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 microcontrollers
中文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PDIP40
文件頁數(shù): 17/22頁
文件大小: 185K
代理商: P80C652FBPN
Phlips Semiconductors
Product specification
80C652/83C652
CMOS single-chip 8-bit microcontrollers
1997 Dec 05
17
V
IH1
0.8V
t
CHCL
t
CLCL
t
CLCH
t
CLCX
t
CHCX
Figure 6. External Clock Drive at XTAL1
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
MAX 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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