IS24C128A-2WI datasheet(11/17 Pages) ISSI

Part #	IS24C128A-2WI

Description	128K-bit/ 256K-bit 2-WIRE SERIAL CMOS EEPROM

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Manufacturer	ISSI [Integrated Silicon Solution, Inc]

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Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

11

ADVANCEDINFORMATION

Rev. 00B

06/27/06

ISSI®

IS24C128A

IS24C256A

AC ELECTRICAL CHARACTERISTICS

Automotive (TA = -40oC to +125oC)

2.5V

≤≤≤≤≤Vcc<4.5V

4.5V

≤≤≤≤≤ Vcc ≤≤≤≤≤ 5.5V(1)

Symbol

Parameter

Min.

Max.

Min.

Max.

Unit

fSCL

SCL Clock Frequency

0

400

0

1000

KHz

T

Noise Suppression Time(1)

—50

—

50

ns

tLow

Clock Low Period

1.2

—

0.6

—

µs

tHigh

Clock High Period

0.6

—

0.4

—

µs

tBUF

Bus Free Time Before New Transmission(1)

1.2

—

0.5

—

µs

tSU:STA

Start Condition Setup Time

0.6

—

0.25

—

µs

tSU:STO

Stop Condition Setup Time

0.6

—

0.25

—

µs

tHD:STA

Start Condition Hold Time

0.6

—

0.25

—

µs

tHD:STO

Stop Condition Hold Time

0.6

—

0.25

—

µs

tSU:DAT

Data In Setup Time

100

—

100

—

ns

tHD:DAT

Data In Hold Time

0

—

0

—

ns

tSU:WP

WP pin Setup Time

0.6

—

0.6

—

µs

tHD:WP

WP pin Hold Time

1.2

—

1.2

—

µs

tDH

Data Out Hold Time (SCL Low to SDA Data Out Change)

50

—

50

—

ns

tAA

Clock to Output (SCL Low to SDA Data Out Valid)

50

900

50

550

ns

tR

SCL and SDA Rise Time(1)

—

300

—

300

ns

tF

SCL and SDA Fall Time(1)

—

300

—

100

ns

tWR

Write Cycle Time

—

10

—

5

ms

Note:

1. This parameter is characterized but not 100% tested.

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IS24C128A-2WI Datasheet(PDF) 11 Page - Integrated Silicon Solution, Inc

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