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
VIH
Input High Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)4.5V < VCC < 5.5V 0.7VCC VCC + 0.5 V
VIH1 Input High Voltage (Ports A, B,
C, D, 4[Bit 2]) 4.5V < VCC < 5.5V 2.0 VCC + 0.5 V
VIL
Input Low Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)4.5V < VCC < 5.5V VSS – 0.5 0.3VCC V
VIL1
Input Low Voltage
(Ports A, B, C, D) 4.5V < VCC < 5.5V –0.5 0.8 V
Input Low Voltage
(Port 4[Bit 2]) 4.5V < VCC < 5.5V VSS – 0.5 0.8 V
VOL Output Low Voltage
(Ports A,B,C,D)
IOL = 20µA
VCC = 4.5V 0.01 0.1 V
IOL = 8mA
VCC = 4.5V 0.25 0.45 V
VOL1 Output Low Voltage
(Ports 1,2,3,4, WR, RD)IOL = 1.6mA 0.45 V
VOL2 Output Low Voltage
(Port 0, ALE, PSEN) IOL = 3.2mA 0.45 V
VOH Output High Voltage
(Ports A,B,C,D)
IOH = –20µA
VCC = 4.5V 4.4 4.49 V
IOH = –2mA
VCC = 4.5V 2.4 3.9 V
VOH1 Output High Voltage
(Ports 1,2,3,4, WR, RD)
IOH = –80µA 2.4 V
IOH = –10µA 4.05 V
VOH2 Output High Voltage (Port 0 in
ext. Bus Mode, ALE, PSEN)
IOH = –800µA 2.4 V
IOH = –80µA 4.05 V
VOH3 Output High Voltage VSTBYON IOH = –1µA VSTBY – 0.8 V
VLVR Low Voltage RESET 0.1V hysteresis 3.75 4.0 4.25 V
VOP XTAL Open Bias Voltage
(XTAL1, XTAL2) IOL = 3.2mA 2.0 3.0 V
VLKO VCC(min) for Flash Erase and
Program 2.5 4.2 V
VSTBY SRAM (PSD) Standby Voltage 2.0 VCC – 0.2 V
VDF SRAM (PSD) Data Retention
Voltag e Only on VSTBY 2V
IIL Logic '0' Input Current
(Ports 1,2,3,4) VIN = 0.45V
(0V for Port 4[pin 2]) –10 –50 µA
ITL Logic 1-to-0 Transition Current
(Ports 1,2,3,4) VIN = 3.5V
(2.5V for Port 4[pin 2]) –65 –650 µA