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参数资料
| 型号： | IS89C51-40PQ |
| 厂商： | INTEGRATED SILICON SOLUTION INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | PLASTIC, QFP-44 |
| 文件页数： | 37/48页 |
| 文件大小： | 371K |
| 代理商： | IS89C51-40PQ |
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IS89C51
42
1-800-379-4774 — Integrated Silicon Solution, Inc.
MC016-1C
11/21/98
ISSI
DC CHARACTERISTICS
(Over Operating Range; GND = 0V)
Symbol
Parameter
Test conditions
Min
Max
Unit
VIL
Input low voltage (All except
EA)
–0.5
0.2Vcc – 0.1
V
VIL1
Input low voltage (
EA)
–0.5
0.2Vcc – 0.3
V
VIH
Input high voltage
0.2Vcc + 0.9
Vcc + 0.5
V
(All except XTAL 1, RST)
VIH1
Input high voltage (XTAL 1)
0.7Vcc
Vcc + 0.5
V
VSCH+
RST positive schmitt-trigger
0.7Vcc
Vcc + 0.5
V
threshold voltage
VSCH–
RST negative schmitt-trigger
0
0.2Vcc
V
threshold voltage
VOL(1)
Output low voltage
Iol = 100
A
—
0.3
V
(Ports 1, 2, 3)
IOL = 1.6 mA
—
0.45
V
IOL = 3.5 mA
—
1.0
V
VOL1(1)
Output low voltage
IOL = 200
A
—
0.3
V
(Port 0, ALE,
PSEN)IOL = 3.2 mA
—
0.45
V
IOL = 7.0 mA
—
1.0
V
VOH
Output high voltage
IOH = –10
A
0.9Vcc
—
V
(Ports 1, 2, 3, ALE,
PSEN)
Vcc = 4.5V-5.5V
IOL = –25
A
0.75Vcc
—
V
IOL = –60
A
2.4
—
V
VOH1
Output high voltage
IOH = –80
A
0.9Vcc
—
V
(Port 0, ALE,
PSEN)
Vcc = 4.5V-5.5V
IOH = –300
A
0.75Vcc
—
V
IOH = –800
A
2.4
—
V
IIL
Logical 0 input current (Ports 1, 2, 3) VIN = 0.45V
—
–80
A
ILI
Input leakage current (Port 0)
0.45V < VIN < Vcc
–10
+10
A
ITL
Logical 1-to-0 transition current
VIN = 2.0V
—
–650
A
(Ports 1, 2, 3)
RRST
RST pulldown resister
50
300
K
Note:
1. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum IOL per 8-bit port
Port 0: 26 mA
Ports 1, 2, 3: 15 mA
Maximum total IOL for all output pins: 71 mA
If IOL exceeds the test condition, VOL may exceed the related specification.
Pins are not guaranteed to sink greater than the listed test conditions.
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相关代理商/技术参数 |
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|---|---|
| IS89C51-40PQI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| IS89C51-40W | 制造商:ISSI 制造商全称:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 4-Kbytes of FLASH |
| IS89C51-40WI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| IS89C52 | 制造商:ISSI 制造商全称:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12PL | 制造商:ISSI 制造商全称:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
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