參數(shù)資料
型號： uPSD3251
廠商： 意法半導(dǎo)體
英文描述： Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
中文描述： 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核（帶8032微控制器內(nèi)核的閃存可編程系統(tǒng)設(shè)備）
文件頁數(shù)： 114/128頁
文件大小： 1566K
代理商： UPSD3251
μPSD3251F
114/128
Table 86. DC Characteristics (5V Device)
Symbol
Parameter
Test Condition
(in addition to those
in Table 84, page 112)
Min.
Typ.
Max.
Unit
V
IH
Input High Voltage (Ports 1, 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 B, C,
D, 4[Bit 2])
4.5V < V
CC
< 5.5V
2.0
V
CC
+ 0.5
V
V
IL
Input Low Voltage (Ports 1, 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 B, C, D)
4.5V < V
CC
< 5.5V
–
0.5
0.8
V
Input Low Voltage
(Port 4[Bit 2])
4.5V < V
CC
< 5.5V
V
SS
–
0.5
0.8
V
V
OL
Output Low Voltage
(Ports 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 1,3,4)
I
OL
= 1.6mA
0.45
V
V
OH
Output High Voltage
(Ports 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 1,3,4)
I
OH
=
–
80μA
2.4
V
I
OH
=
–
10μA
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) Standby 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 1,3,4)
V
IN
= 0.45V
(0V for Port 4[pin 2])
–
10
–
50
μA
I
TL
Logic 1-to-0 Transition Current
(Ports 1,3,4)
V
IN
= 3.5V
(2.5V for Port 4[pin 2])
–
65
–
650
μA
I
STBY
SRAM (PSD) Standby Current
(V
STBY
input)
V
CC
= 0V
0.5
1
μA
I
IDLE
SRAM (PSD) Idle Current
(V
STBY
input)
V
CC
> V
STBY
–
0.1
0.1
μA
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