UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 147

• Manufacturer Part Number: UPSD3254
• Description: Flash Programmable System Devices with 8032 Microcontroller Core
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 111. DC Characteristics (5V Devices)
Symbol
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
STBY
OH1
OH2
OH3
OL1
OL2
LKO
I
LVR
IH1
OH
OP
IL1
OL
DF
IL
IH
IL
Input High Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)
Input High Voltage (Ports A, B,
C, D, 4[Bit 2], USB+, USB–)
Input Low Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)
Input Low Voltage
(Ports A, B, C, D, 4[Bit 2])
Input Low Voltage
(USB+, USB–)
Output Low Voltage
(Ports A,B,C,D)
Output Low Voltage
(Ports 1,2,3,4, WR, RD)
Output Low Voltage
(Port 0, ALE, PSEN)
Output High Voltage
(Ports A,B,C,D)
Output High Voltage
(Ports 1,2,3,4, WR, RD)
Output High Voltage (Port 0 in
ext. Bus Mode, ALE, PSEN)
Output High Voltage V
Low Voltage RESET
XTAL Open Bias Voltage
(XTAL1, XTAL2)
V
Program
SRAM (PSD) Stand-by Voltage
SRAM (PSD) Data Retention
Voltage
Logic '0' Input Current
(Ports 1,2,3,4)
CC
(min) for Flash Erase and
Parameter
STBYON
UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
(in addition to those in
Table 108, page 145)
(0V for Port 4[pin 2])
4.5V < V
4.5V < V
4.5V < V
4.5V < V
4.5V < V
Test Condition
0.1V hysteresis
Only on V
I
I
I
I
OH
I
I
I
I
I
V
V
V
OH
V
V
OH
OH
OH
I
I
OL
OL
OL
OH
I
OH
OL
OL
IN
CC
CC
CC
CC
= –800µA
= 1.6mA
= 3.2mA
= 3.2mA
= –20µA
= –80µA
= –10µA
= –80µA
= –2mA
= 0.45V
= 20µA
= –1µA
= 8mA
= 4.5V
= 4.5V
= 4.5V
= 4.5V
CC
CC
CC
CC
CC
< 5.5V
< 5.5V
< 5.5V
< 5.5V
< 5.5V
STBY
V
V
V
STBY
0.7V
SS
SS
Min.
–0.5
4.05
4.05
3.75
–10
2.0
4.4
2.4
2.4
2.4
2.0
2.5
2.0
– 0.5
– 0.5
2
– 0.8
CC
Typ.
0.01
0.25
4.49
3.9
4.0
0.3V
V
V
V
Max.
0.45
0.45
0.45
4.25
–50
0.5
0.5
0.8
0.8
0.1
3.0
4.2
0.2
CC
CC
CC
CC
+
+
–
147/175
Unit
µA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V