7721 Group User’s Manual
17–82
APPENDIX
Appendix 11. Electrical characteristics
High-level output
voltage
High-level output
voltage
High-level output
voltage
High-level output
voltage
Low-level output
voltage
Low-level output
voltage
Low-level output
voltage
Low-level output
voltage
Hysteresis
High-level input
current
Low-level input
current
RAM hold voltage
Power source current
Electrical characteristics (VCC = 5 V, VSS = 0 V, Ta = –20 to 85 °C, f(XIN) = 25 MHz, unless otherwise noted)
Symbol
Parameter
Test conditions
Unit
2
0.45
1.9
0.43
1.6
0.4
1
0.5
0.3
5
–5
54
1
20
Limits
Min.
Typ.
27
Max.
VOH
VOL
VT+–VT–
IIH
IIL
VRAM
Icc
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, MA8,
____
____ ____
__
MA9, RAS, CAS,
φ1, ST0, ST1, BLE, BHE, R/W
ALE
__
E
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, MA8, MA9, RAS, CAS,
φ1, ST0, ST1,
____
__
BLE, BHE, R/W
ALE
__
E
_____ ____
____ ____
HOLD, RDY, TA2IN–TA4IN, TB0IN, TB1IN, INT0–INT2,
_____
____
ADTRG, CTS0, CTS1, CLK0, CLK1,
________
___
DMAREQ0–DMAREQ3, TC
______
RESET
XIN
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,
______
XIN, RESET
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, XIN, RESET
IOH = –10 mA
IOH = –400
A
IOH = –10 mA
IOH = –400
A
IOH = –10 mA
IOH = –400
A
IOL = 10 mA
IOL = 2 mA
IOL = 10 mA
IOL = 2 mA
IOL = 10 mA
IOL = 2 mA
VI = 5 V
VI = 0 V
When clock is stopped.
f(XIN) = 25 MHz (Square
waveform)
Ta = 25 °C (when clock
is stopped)
Ta = 85 °C (when clock
is stopped)
3
4.7
3.1
4.8
3.4
4.8
0.4
0.2
0.1
2
V
A
V
mA
A
A-D CONVERTER CHARACTERISTICS (VCC = 5 V, VSS = 0 V, Ta = –20 to 85 °C, f(XIN) = 25 MHz, unless otherwise noted)
Unit
Test conditions
VREF = VCC
Bits
LSB
k
s
V
Symbol
—
RLADDER
tCONV
VREF
VIA
Parameter
Resolution
Absolute accuracy
Ladder resistance
Conversion time
Reference voltage
Analog input voltage
Min.
2
9.12
2
0
Max.
8
±3
10
VCC
VREF
Typ.
Limits