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