25C320-I/SN Microchip Technology Inc., 25C320-I/SN Datasheet

25C320-I/SN

Manufacturer Part Number

25C320-I/SN

Description

32K, 4K X 8 , 5V SER EE IND

Manufacturer

Microchip Technology Inc.

Datasheet

1.25LC320-ISN.pdf (6 pages)

Specifications of 25C320-I/SN

Capacitance, Input

7 pF

Capacitance, Output

7 pF

Current, Input, Leakage

±1 μA

Current, Operating

1 mA (Read), 5 mA (Write)

Current, Output, Leakage

±1

Data Retention

>200 yrs.

Density

32K

Interface

SPI Bus

Memory Type

Serial EEPROM

Organization

4096×8

Package Type

SOIC

Temperature, Operating

-40 to +85 °C

Time, Access

150 ns

Time, Address Hold

150

Time, Address Setup

100

Time, Fall

2 μs

Time, Rise

2 μs

Voltage, Esd

>4 kV

Voltage, Input, High

5.5 V

Voltage, Input, Low

0.8 V

Voltage, Output, High

4 V

Voltage, Supply

4.5 to 5.5 V

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

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Part Number:

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Manufacturer:

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Device Selection Table

Features:

• Low-Power CMOS Technology:

• 4096 x 8 Bit Organization

• 32 Byte Page

• Write Cycle Time: 5 ms Maximum

• Self-Timed Erase and Write Cycles

• Block Write Protection:

• Built-in Write Protection:

• Sequential Read

• High Reliability:

• 8-Pin PDIP, SOIC and TSSOP Packages

• 14-Lead TSSOP Package

• Temperature Ranges Supported:

Package Types

*25XX320 is used in this document as a generic part number for the 25AA320/25LC320/25C320 devices.

25AA320

25LC320

- Write current: 3 mA maximum

- Read current: 500 μA, typical

- Standby current: 500 nA, typical

- Protect none, 1/4, 1/2 or all of array

- Power on/off data protection circuitry

- Write enable latch

- Write-protect pin

- Endurance: 1M E/W cycles

- Data retention: > 200 years

- ESD protection: > 4000V

- Industrial (I):

- Automotive (E):

Number

25C320

Part

1.8-5.5V

2.5-5.5V

4.5-5.5V

Range

PDIP, SOIC

-40°C to +85°C

-40°C to +125°C

Max. Clock

Frequency

32K SPI Bus Serial EEPROM

1 MHz

2 MHz

3 MHz

HOLD

SCK

25AA320/25LC320/25C320

HOLD

Ranges

Temp.

I,E

TSSOP

Description:

The Microchip Technology Inc. 25AA320/25LC320/

25C320 (25XX320

Erasable PROMs. The memory is accessed via a

simple Serial Peripheral Interface (SPI) compatible

serial bus. The bus signals required are a clock input

(SCK) plus separate data in (SI) and data out (SO)

lines. Access to the device is controlled through a Chip

Select (CS) input.

Communication to the device can be paused via the

hold pin (HOLD). While the device is paused,

transitions on its inputs will be ignored, with the

exception of Chip Select, allowing the host to service

higher priority interrupts.

Block Diagram

HOLD

SCK

I/O Control

Not recommended for new designs –

Please use 25AA320A or 25LC320A.

STATUS

Logic

) are 32 Kbit serial Electrically

Memory

Control

Logic

TSSOP

XDEC

DS21227F-page 1

Y Decoder

Sense Amp.

R/W Control

HOLD

SCK

HV Generator

EEPROM

Latches

Array

Page

Related parts for 25C320-I/SN

25C320-I/SN Summary of contents

Page 1

... HOLD SCK *25XX320 is used in this document as a generic part number for the 25AA320/25LC320/25C320 devices. © 2008 Microchip Technology Inc. Not recommended for new designs – Please use 25AA320A or 25LC320A. 25AA320/25LC320/25C320 Description: Temp. The Microchip Technology Inc. 25AA320/25LC320/ Ranges 25C320 (25XX320 Erasable PROMs. The memory is accessed via a ...

Page 2

... ELECTRICAL CHARACTERISTICS (†) Absolute Maximum Ratings V .............................................................................................................................................................................7.0V CC All inputs and outputs w.r.t. V ........................................................................................................ -0. Storage temperature .................................................................................................................................-65°C to 150°C Ambient temperature under bias ...............................................................................................................-40°C to 125°C ESD protection on all pins ..........................................................................................................................................4 kV † NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device ...

Page 3

... Note 1: This parameter is periodically sampled and not 100% tested. 2: This parameter is not tested but established by characterization. For endurance estimates in a specific application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 Industrial (I -40°C to +85°C ...

Page 4

... Microchip Technology Inc. 25AA320/25LC320/25C320 PP %RG\ >62,&@ α φ β DS21227F-page 15 ...

Page 5

Page 6

... Industrial Temp., Pattern SOIC package b) 25LC320T-I/SN: Tape and Reel, Industrial Temp., SOIC package c) 25LC320-E/SN: Extended Temp., SOIC package d) 25C320-I/SN: Industrial Temp., SOIC package e) 25C320T-I/SN: Tape and Reel, Industrial Temp., SOIC package f) 25C320-I/ST: Industrial Temp., TSSOP package g) 25C320-E/SN: Extended Temp., SOIC package ...

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