34VL02/ST【PDF 1/32 页】IC EEPROM 2KBIT 400KHZ 8TSSOP

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34VL02

2K I 2 C ? Serial EEPROM Software Write-Protect

Features:

? Permanent and Resettable Software Write-Protect

Package Types

PDIP/SOIC/TSSOP/MSOP/TDFN

for Lower Half of the Array (00h-7Fh)

? Single Supply with Operation Down to 1.5V

? Low-Power CMOS Technology:

- Read current 1 mA, typical

- Standby current, 100 nA, typical

V SS

V CC

SCL

SDA

A0 1

A1 2

A2 3

V SS 4

8 V CC

7 WP

6 SCL

5 SDA

? 2-Wire Serial Interface Bus, I 2 C? Compatible

? Cascadable up to Eight Devices

SOT-23

? Schmitt Trigger Inputs for Noise Suppression

? Output Slope Control to Eliminate Ground Bounce

? 100 kHz and 400 kHz Compatibility

? Page Write Time 3 ms, typical

SCL

V SS

SDA

6 V CC

5 A0

4 A1

? Self-Timed Erase/Write Cycle

? 16-Byte Page Write Buffer

? ESD Protection > 4,000V

? Hardware Write Protection for Entire Array

? More than 1 Million Erase/Write Cycles

? Data Retention > 200 Years

? 8-Lead PDIP, SOIC, TSSOP, MSOP and TDFN

packages

? 6-Lead SOT-23 Package

? Pb-free and RoHS Compliant

? Temperature Range:

- -20°C to +85°C

Device Selection Table

Description:

The Microchip Technology Inc. 34VL02 is a 2 Kbit

Electrically Erasable PROM capable of operation

across a broad voltage range (1.5V to 3.6V). This

device has two software write-protect features for the

lower half of the array, as well as an external pin that

can be used to write-protect the entire array. This

allows the system designer to protect none, half, or all

of the array, depending on the application. The device

is organized as one block of 256 x 8-bit memory with a

2-wire serial interface. Low-voltage design permits

operation down to 1.5V, with standby and active cur-

rents of only 100 nA and 1 mA, respectively. The

34VL02 also has a page write capability for up to 16

Part Number

34VL02

V CC

Range

1.5-3.6

Max. Clock

Frequency

400 kHz (1)

bytes of data. The 34VL02 is available in the standard

8-pin PDIP, surface mount SOIC, TSSOP, MSOP and

TDFN packages. The 34VL02 is also available in the

6-lead, SOT-23 package.

Note 1:

100 kHz for V CC <1.8V

? 2008 Microchip Technology Inc.

DS22079A-page 1

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