MCP79520 参数 Datasheet PDF下载

MCP7952X/MCP7951X

TABLE 1-2:

Param.

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

AC CHARACTERISTICS

Industrial (I):

Min.

—

—

100

150

100

150

50

20

30

40

50

—

—

100

150

100

150

50

50

—

—

0

—

—

—

1,000,000

T

AMB

= -40°C to +85°C V

CC

= 1.8V to 3.6V

Max.

5

3

—

—

—

—

—

—

—

—

—

100

100

—

—

—

—

—

—

100

160

—

80

160

5

—

Units

MHz

MHz

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ms

Test Conditions

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

—

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

—

—

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

2.5V

Vcc 

3.6V

1.8V

Vcc 

2.5V

AC CHARACTERISTICS

Sym.

F

CLK

T

CSS

T

CSH

T

CSD

Tsu

T

HD

T

R

T

F

T

HI

T

LO

T

CLD

T

CLE

T

V

T

HO

T

DIS

T

WC

—

Characteristic

Clock Frequency

CS Setup Time

CS Hold Time

CS Disable Time

Data Setup Time

Data Hold Time

CLK Rise Time

CLK Fall Time

Clock High Time

Clock Low Time

Clock Delay Time

Clock Enable Time

Output Valid from Clock

Low

Output Hold Time

Output Disable Time

Internal Write Cycle Time

Endurance

E/W

Cycles

Note 1:

This parameter is periodically sampled and not 100% tested.

2:

This parameter is not tested but ensured by characterization. For endurance estimates in a specific

application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site:

www.microchip.com.

3:

T

WC

begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle

is complete.

DS22300A-page 4

Preliminary



2012 Microchip Technology Inc.