Corp. Computer Hardware User Manual

uPSD3212A, uPSD3212C, uPSD3212CV
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Table 114. DC Characteristics (5V Devices)
Symbol Parameter
Test Condition
(in addition to those
in Table
109., page 133)
Min. Typ. Max. Unit
V
IH
Input High Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET
)
4.5V < V
CC
< 5.5V 0.7V
CC
V
CC
+ 0.5
V
V
IH1
Input High Voltage (Ports A, B,
C, D, 4[Bit 2])
4.5V < V
CC
< 5.5V
2.0
V
CC
+ 0.5
V
V
IL
Input Low Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET
)
4.5V < V
CC
< 5.5V V
SS
– 0.5 0.3V
CC
V
V
IL1
Input Low Voltage
(Ports A, B, C, D)
4.5V < V
CC
< 5.5V
–0.5 0.8 V
Input Low Voltage
(Port 4[Bit 2])
4.5V < V
CC
< 5.5V V
SS
– 0.5
0.8 V
V
OL
Output Low Voltage
(Ports A,B,C,D)
I
OL
= 20µA
V
CC
= 4.5V
0.01 0.1 V
I
OL
= 8mA
V
CC
= 4.5V
0.25 0.45 V
V
OL1
Output Low Voltage
(Ports 1,2,3,4, WR
, RD)
I
OL
= 1.6mA
0.45 V
V
OL2
Output Low Voltage
(Port 0, ALE, PSEN)
I
OL
= 3.2mA
0.45 V
V
OH
Output High Voltage
(Ports A,B,C,D)
I
OH
= –20µA
V
CC
= 4.5V
4.4 4.49 V
I
OH
= –2mA
V
CC
= 4.5V
2.4 3.9 V
V
OH1
Output High Voltage
(Ports 1,2,3,4, WR
, RD)
I
OH
= –80µA
2.4 V
I
OH
= –10µA
4.05 V
V
OH2
Output High Voltage (Port 0 in
ext. Bus Mode, ALE, PSEN)
I
OH
= –800µA
2.4 V
I
OH
= –80µA
4.05 V
V
OH3
Output High Voltage V
STBYON
I
OH
= –1µA V
STBY
– 0.8
V
V
LVR
Low Voltage RESET 0.1V hysteresis 3.75 4.0 4.25 V
V
OP
XTAL Open Bias Voltage
(XTAL1, XTAL2)
I
OL
= 3.2mA
2.0 3.0 V
V
LKO
V
CC
(min) for Flash Erase and
Program
2.5 4.2 V
V
STBY
SRAM (PSD) Standby Voltage 2.0
V
CC
– 0.2
V
V
DF
SRAM (PSD) Data Retention
Voltage
Only on V
STBY
2V
I
IL
Logic '0' Input Current
(Ports 1,2,3,4)
V
IN
= 0.45V
(0V for Port 4[pin 2])
–10 –50 µA
I
TL
Logic 1-to-0 Transition Current
(Ports 1,2,3,4)
V
IN
= 3.5V
(2.5V for Port 4[pin 2])
–65 –650 µA
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