P80C652EBB PHILIPS [NXP Semiconductors], P80C652EBB Datasheet - Page 17

• Manufacturer Part Number: P80C652EBB
• Description: CMOS single-chip 8-bit microcontrollers
• Manufacturer: PHILIPS [NXP Semiconductors]

Phlips Semiconductors
1997 Dec 05
NOTE:
AC INPUTS DURING TESTING ARE DRIVEN AT V
0.45V FOR A LOGIC ‘0’. TIMING MEASUREMENTS ARE MADE AT V
LOGIC ‘1’ AND V
V
CMOS single-chip 8-bit microcontrollers
DD
0.45V
–0.5
IL
Figure 7. AC Testing Input/Output
MAX FOR A LOGIC ‘0’.
0.2V
0.2V
DD
DD
+0.9
–0.1
DD
–0.5 FOR A LOGIC ‘1’ AND
Figure 6. External Clock Drive at XTAL1
t
0.8V
CHCL
IH
MIN FOR A
V
IH1
t
CLCX
17
t
CLCL
V
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
20mA.
LOAD
t
CHCX
t
CLCH
V
V
LOAD
LOAD
–0.1V
+0.1V
Figure 8. Float Waveform
OH
REFERENCE
TIMING
/V
POINTS
80C652/83C652
OL
LEVEL OCCURS. I
Product specification
OH
/I
OL
V
V
OH
OL
> +
+0.1V
–0.1V