7721 Group User’s Manual
17–81
Appendix 11. Electrical characteristics
APPENDIX
Recommended operating conditions (VCC = 5 V ± 10 %, Ta = –20 to 85 °C, unless otherwise noted)
V
mA
MHz
Vcc
AVcc
Vss
AVss
VIH
VIL
IOH (peak)
IOH (avg)
IOL (peak)
IOL (avg)
f(XIN)
Unit
Limits
Parameter
Symbol
Min.
Max.
Typ.
5.5
Vcc
0.2 Vcc
0.16 Vcc
–10
–5
10
5
25
5.0
Vcc
0
4.5
0.8 Vcc
0.5 Vcc
0
Power source voltage
Analog power source voltage
Power source voltage
Analog power source voltage
High-level input voltage
Low-level input voltage
High-level peak output current
High-level average output
current
Low-level peak output current
Low-level average
output current
External clock input frequency
P43–P47, P50–P57, P60–P67, P70–P77,
____
P80–P87, P90–P97, P100–P107, RDY,
_____
______
HOLD, BYTE, CNVss, RESET, XIN, VREF
A8/D8–A15/D15, A16/D0–A23/D7
P43–P47, P50–P57, P60–P67, P70–P77,
____
P80–P87, P90–P97, P100–P107, RDY,
_____
______
HOLD, BYTE, CNVSS, RESET, XIN,
VREF
A8/D8–A15/D15, A16/D0–A23/D7
A0/MA0–A7/MA7, A8/D8–A15/D15,
A16/D0–A23/D7, P43–P47, P50–P57,
P60–P67, P70–P77, P80–P87,
________
P90–P97, P100–P107,
φ1, RESETOUT,
____
__
ST0, ST1, ALE, BLE, BHE, R/W
A0/MA0–A7/MA7, A8/D8–A15/D15,
A16/D0–A23/D7, P43–P47, P50–P57,
P60–P67, P70–P77, P80–P87,
_________
P90–P97, P100–P107,
φ1, RESETOUT,
____
__
ST0, ST1, ALE, BLE, BHE, R/W
A0/MA0–A7/MA7, A8/D8–A15/D15,
A16/D0–A23/D7, P43–P47, P50–P57,
P60–P67, P70–P77, P80–P87,
_________
P90–P97, P100–P107,
φ1, RESETOUT,
____
__
ST0, ST1, ALE, BLE, BHE, R/W
A0/MA0–A7/MA7, A8/D8–A15/D15,
A16/D0–A23/D7, P43–P47, P50–P57,
P60–P67, P70–P77, P80–P87,
_________
P90–P97, P100–P107,
φ1, RESETOUT,
____
__
ST0, ST1, ALE, BLE, BHE, R/W
Notes 1: Average output current is the average value of a 100 ms interval.
____
2: The sum of IOL(peak) for P8, P9, A0/MA0–A7/MA7, A8/D8–A15/D15, A16/D0–A23/D7, ST0, ST1, ALE, BLE,
____
__
BHE, and R/W must be 80 mA or less; the sum of IOH(peak) for P8, P9, A0/MA0–A7/MA7, A8/D8–
____
__
A15/D15, A16/D0–A23/D7, ST0, ST1, ALE, BLE, BHE, and R/W must be 80 mA or less; the sum of
IOL(peak) for P4, P5, P6, P7, P10, and
φ1 must be 80 mA or less; the sum of IOH(peak) for P4, P5, P6,
P7, P10, and
φ1 must be 80 mA or less.