IS80LV51 Datasheet, PDF (42/43 Pages) Integrated Silicon Solution, Inc – CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER

IS80LV51
IS80LV31
P1.0-P1.7
P2.0-P2.3
PORT 0
tELQV
P2.7
ADDRESS
tAVQV
DATA OUT
tEHQZ
Figure 33. ROM Verification Waveform
Vcc – 0.5V
0.45V
0.7Vcc
0.2Vcc – 0.1
tCHCL
tCLCX
tCHCX
tCLCH
tCLCL
Figure 34. External Clock Drive Waveform
Vcc - 0.5V
0.45V
0.2Vcc + 0.9V
0.2Vcc - 0.1V
Figure 35. AC Test Point
Note:
1. AC inputs during testing are driven at VCC – 0.5V for logic “1” and 0.45V for logic “0”.
Timing measurements are made at VIH min for logic “1” and max for logic “0”.
ISSI ^®
42
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION MC018-0A
10/01/98