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UPSD3233 Datasheet(PDF) 143 Page - STMicroelectronics

Part # UPSD3233
Description  Flash Programmable System Devices with 8032 Microcontroller Core
PDF  170 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3233 Datasheet(HTML) 143 Page - STMicroelectronics

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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Table 117. DC Characteristics (5V Devices)
Symbol
Parameter
Test Condition
(in addition to those
in Table
112., page 140)
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], USB+, USB–)
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[Bit 2])
4.5V < VCC < 5.5V
–0.5
0.8
V
Input Low Voltage
(USB+, USB–)
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) Stand-by Voltage
2.0
VCC –
0.2
V
VDF
SRAM (PSD) Data Retention
Voltage
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



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