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UPSD3212C Datasheet, PDF (126/152 Pages) STMicroelectronics – Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM | |||
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UPSD3212C, UPSD3212CV
Table 90. DC Characteristics (3V Devices)
Symbol
Parameter
Test Condition
(in addition to those
in Table 87, page 122)
Min.
Typ. Max.
Input High Voltage (Ports 1, 2,
VIH
3, 4[Bits 7,6,5,4,3,1,0], A, B, C, 3.0V < VCC < 3.6V
0.7VCC
D, XTAL1, RESET)
VCC + 0.5
VIH1
Input High Voltage (Port 4[Bit
2])
3.0V < VCC < 3.6V
2.0
VCC + 0.5
Input High Voltage (Ports 1, 2,
VIL
3, 4[Bits 7,6,5,4,3,1,0], XTAL1, 3.0V < VCC < 3.6V VSS â 0.5
RESET)
0.3VCC
Input Low Voltage
(Ports A, B, C, D)
VIL1
Input Low Voltage
(Port 4[Bit 2])
3.0V < VCC < 3.6V
â0.5
0.8
3.0V < VCC < 3.6V
VSS â 0.5
0.8
VOL
Output Low Voltage
(Ports A,B,C,D)
IOL = 20µA
VCC = 3.0V
IOL = 4mA
VCC = 3.0V
0.01
0.1
0.15 0.45
VOL1
Output Low Voltage
(Ports 1,2,3,4, WR, RD)
IOL = 1.6mA
IOL = 100µA
0.45
0.3
VOL2
Output Low Voltage
(Port 0, ALE, PSEN)
IOL = 3.2mA
IOL = 200µA
0.45
0.3
VOH
Output High Voltage
(Ports A,B,C,D)
IOH = â20µA
VCC = 3.0V
IOH = â1mA
VCC = 3.0V
2.9
2.99
2.4
2.6
VOH1
Output High Voltage
(Ports 1,2,3,4, WR, RD)
IOH = â20µA
2.0
IOH = â10µA
2.7
Output High Voltage (Port 0 in
IOH = â800µA
2.0
VOH2
ext. Bus Mode, ALE, PSEN)
IOH = â80µA
2.7
VOH3
Output High Voltage VSTBYON
IOH = â1µA
VSTBY â 0.8
VLVR
Low Voltage Reset
0.1V hysteresis
2.3
2.5
2.7
VOP
XTAL Open Bias Voltage
(XTAL1, XTAL2)
IOL = 3.2mA
1.0
2.0
VLKO
VCC(min) for Flash Erase and
Program
1.5
2.2
VSTBY
SRAM (PSD) Standby Voltage
2.0
VCC â 0.2
VDF
SRAM (PSD) Data Retention
Voltage
Only on VSTBY
2
IIL
Logic '0' Input Current
(Ports 1,2,3,4)
VIN = 0.45V
(0V for Port 4[pin 2])
â1
â50
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
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