參數(shù)資料
型號： UPSD3254BV-40U1
廠商： 意法半導體
英文描述： Two and Three Channel Codewheels
中文描述： 閃存可編程系統(tǒng)器件與8032微控制器內(nèi)核
文件頁數(shù)： 148/176頁
文件大?。?/td> 1214K
代理商： UPSD3254BV-40U1
μPSD325X DEVICES
148/176
Table 112. DC Characteristics (5V Devices)
Symbol
Parameter
Test Condition
(in addition to those in
Table 109, page 146)
Min.
Typ.
Max.
Unit
V
IH
Input High Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)
4.5V < V
CC
< 5.5V
0.7V
CC
V
CC
+ 0.5
V
V
IH1
Input High Voltage (Ports A, B,
C, D, 4[Bit 2], USB+, USB–)
4.5V < V
CC
< 5.5V
2.0
V
CC
+ 0.5
V
V
IL
Input Low Voltage (Ports 1, 2,
3, 4[Bits 7,6,5,4,3,1,0], XTAL1,
RESET)
4.5V < V
CC
< 5.5V
V
SS
– 0.5
0.3V
CC
V
V
IL1
Input Low Voltage
(Ports A, B, C, D, 4[Bit 2])
4.5V < V
CC
< 5.5V
–0.5
0.8
V
Input High Voltage
(USB+, USB–)
4.5V < V
CC
< 5.5V
V
SS
– 0.5
0.8
V
V
OL
Output Low Voltage
(Ports A,B,C,D)
I
OL
= 20μA
V
CC
= 4.5V
0.01
0.1
V
I
OL
= 8mA
V
CC
= 4.5V
0.25
0.45
V
V
OL1
Output Low Voltage
(Ports 1,2,3,4, WR, RD)
I
OL
= 1.6mA
0.45
V
V
OL2
Output Low Voltage
(Port 0, ALE, PSEN)
I
OL
= 3.2mA
0.45
V
V
OH
Output High Voltage
(Ports A,B,C,D)
I
OH
= –20μA
V
CC
= 4.5V
4.4
4.49
V
I
OH
= –2mA
V
CC
= 4.5V
2.4
3.9
V
V
OH1
Output High Voltage
(Ports 1,2,3,4, WR, RD)
I
OH
= –80μA
2.4
V
I
OH
= –10μA
4.05
V
V
OH2
Output High Voltage (Port 0 in
ext. Bus Mode, ALE, PSEN))
4
I
OH
= –800μA
2.4
V
I
OH
= –80μA
4.05
V
V
OH3
Output High Voltage V
STBYON
I
OH
= –1μA
V
STBY
– 0.8
V
V
LVR
Low Voltage RESET
0.1V hysteresis
3.75
4.0
4.25
V
V
OP
XTAL Open Bias Voltage
(XTAL1, XTAL2)
I
OL
= 3.2mA
2.0
3.0
V
V
LKO
V
CC
(min) for Flash Erase and
Program
2.5
4.2
V
V
STBY
SRAM (PSD) Stand-by Voltage
2.0
V
CC
–0.2
V
V
DF
SRAM (PSD) Data Retention
Voltage
Only on V
STBY
2
V
I
IL
Logic '0' Input Current
(Ports 1,2,3,4)
V
IN
= 0.45V
(0V for Port 4[pin 2])
–10
–50
μA
I
TL
Logic 1-to-0 Transition Current
(Ports 1,2,3,4)
V
IN
= 3.5V
(2.5V for Port 4[pin 2])
–65
–650
μA
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