Datasheet > 83C51FC-33

83C51FC-33

更新时间： 2022-12-01 20:01:58

品牌	Logo	应用领域
英特尔 - INTEL		微控制器
页数	文件大小	规格书
20页	241K
描述
Microcontroller,

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数据手册

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83C51FC-33 数据手册

8XC51FX

DC CHARACTERISTICS (Over Operating Conditions)

All parameter values apply to all devices unless otherwise indicated. (Continued)

Typical

(Note 4)

Symbol

Parameter

Min

Max

Units

Test Conditions

Input leakage Current (Port 0)

V or V

IL IH

Logical 1 to 0 Transition Current

(Ports 1, 2 and 3)

Express

750

650

Commercial

RRST

CIO

RST Pulldown Resistor

Pin Capacitance

225

1MHz, 25 C

Power Supply Current:

Active Mode

(Note 3)

At 12 MHz (Figure 5)

At 16 MHz

At 24 MHz

At 33 MHz

Idle Mode

At 12 MHz (Figure 5)

At 16 MHz

At 24 MHz

At 33 MHz

Power Down Mode

7.5

9.5

13.5

NOTES:

1. Capacitive loading on Ports 0 and 2 may cause noise pulses above 0.4V to be superimposed on the V s of ALE and

Ports 1, 2 and 3. The noise is due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins

change from 1 to 0. In applications where capacitance loading exceeds 100 pF, the noise pulses on these signals may

exceed 0.8V. It may be desirable to qualify ALE or other signals with a Schmitt Trigger, or CMOS-level input logic.

2. Capacitive loading on Ports 0 and 2 cause the V

address lines are stabilizing.

on ALE and PSEN to drop below the 0.9 V specification when the

3. See Figures 6–9 for test conditions. Minimum V

for power down is 2V.

4. Typicals are based on limited number of samples, and are not guaranteed. The values listed are at room temperature and 5V.

5. Under steady state (non-transient) conditions, I must be externally limited as follows:

Maximum I per port pin:

10 mA

Maximum I per 8-bit port -

Port 0:

Ports 1, 2, and 3:

Maximum total I for all output pins:

26 mA

15 mA

71 mA

If I exceeds the test condition, V may exceed the related specification. Pins are not guaranteed to sink current greater

OL OL

than the listed test conditions.

272322–5

Note:

max at 24 MHz and below is at 5V 20% V

max at 33 MHz is at 5V 10% V , while I

Figure 5. 8XC51FA/FB/FC I vs Frequency

1...6 7 8910 11 12...20

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