IS23SC4428-X6I datasheet(11/12 Pages) ISSI

Part #	IS23SC4428-X6I

Description	1-KBYTE EEPROM WITH WRITE PROTECT FUNCTION AND PROGRAMMABLE SECURITY CODE (PSC)

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Manufacturer	ISSI [Integrated Silicon Solution, Inc]

Direct Link	http://www.issi.com

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

11

REV. A

11/01/01

ISSI®

IS23SC4418

IS23SC4428

ISSI®

DC CHARACTERISTICS (TA = 0° to 70°C, VCC = 5.0V ± 10%, GND = 0V)

Symbol Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VCC

Supply Voltage

4.5

5.0

5.5

V

ICC

Supply Current

—

310

mA

VIH

Input HIGH Voltage (I/O, CLK, RST)

3.5

—

5.0

V

VIL

Input LOW Voltage (I/O, CLK, RST)

0

—

0.8

V

IIH

Input HIGH Current (I/O, CLK, RST)

——

10

µA

IOL

Output LOW Current

VOL = 0.4V, open drian

0.5

——

mA

IOH

output HIGH Leakage Current

VOH = 5V, open drian

——

10

µA

AC CHARACTERISTICS (TA = 0° to 70°C, VCC = 5.0V ± 10%, GND = 0V)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

fC

Clock Frequency

—

20

—

KHz

tRE

Reset Time

9

——

µs

tARE

Answer to Reset

20

50

—

µs

tH

Clock HIGH Period

10

——

µs

tL

Clock LOW Period

10

——

µs

tW

Write Time

(fc = 20 KHz)

5

——

ms

tE

Erase Time

(fc = 20 KHz)

5

——

ms

tRSTS1

Reset Setup Time 1

4

——

µs

tRSTS2

Reset Setup Time 2

4

——

µs

tRSTH

Reset Hold Time

4

——

µs

tDS

Write Data Setup Time

4

——

µs

tDH

Write Data Hold Time

4

——

µs

tD

Read Data Delay Time

6

——

µs

tR

Rise Time (I/O, CLK, RST)

——

1µs

tF

Fall Time (I/O, CLK, RST)

——

1µs

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