93LC56A-I/SN Microchip Technology Inc., 93LC56A-I/SN Datasheet

93LC56A-I/SN

Manufacturer Part Number

93LC56A-I/SN

Description

2K, 256 X 8, SERIAL EE, IND

Manufacturer

Microchip Technology Inc.

Datasheet

1.93C56A-ISN.pdf (6 pages)

Specifications of 93LC56A-I/SN

Capacitance, Input

7 pF

Capacitance, Output

7 pF

Current, Input, Leakage

±1 μA

Current, Operating

100 μA (Read), 500 μA (Write)

Current, Output, Leakage

±1

Data Retention

>200 yrs.

Density

Interface

3-Wire

Memory Type

Serial EEPROM

Organization

256×8

Package Type

SOIC

Temperature, Operating

-40 to +85 °C

Time, Access

200 ns

Time, Address Setup

100

Voltage, Esd

≥4 kV

Voltage, Input, High

3.5 V

Voltage, Input, Low

0.5 V

Voltage, Output, High

2.3 V

Voltage, Output, Low

0.2 V

Voltage, Supply

2.5 to 5.5 V

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

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Price

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Device Selection Table

Features:

• Low-Power CMOS Technology

• ORG Pin to Select Word Size for ‘56C’ Version

• 256 x 8-bit Organization ‘A’ Version (no ORG)

• 128 x 16-bit Organization ‘B’ Version (no ORG)

• Self-Timed Erase/Write Cycles (including

• Automatic Erase All (ERAL) before Write All

• Power-On/Off Data Protection Circuitry

• Industry Standard 3-Wire Serial I/O

• Device Status Signal (Ready/

• Sequential Read Function

• 1,000,000 Erase/write Cycles

• Data Retention > 200 Years

• Pb-free and RoHS Compliant

• Temperature Ranges Supported:

93AA56A

93AA56B

93LC56A

93LC56B

93C56A

93C56B

93AA56C

93LC56C

93C56C

Auto-Erase)

(WRAL)

Part Number

- Industrial (I)

- Automotive (E) -40°C to +125°C

2K Microwire Compatible Serial EEPROM

-40°C to +85°C

1.8-5-5

1.8-5.5

2.5-5.5

4.5-5.5

1.8-5.5

2.5-5.5

4.5-5.5

Range

Busy

)

ORG Pin

Yes

93AA56A/B/C, 93LC56A/B/C,

Word Size

8- or 16-bit

16-bit

8-bit

Pin Function Table

Description:

The Microchip Technology Inc. 93XX56A/B/C devices

are 2Kbit low-voltage serial Electrically Erasable

PROMs (EEPROM). Word-selectable devices such as

the 93AA56C, 93LC56C or 93C56C are dependent

upon external logic levels driving the ORG pin to set

word size. For dedicated 8-bit communication, the

93XX56A devices are available, while the 93XX56B

devices provide dedicated 16-bit communication.

Advanced CMOS technology makes these devices

ideal for low-power, nonvolatile memory applications.

The entire 93XX Series is available in standard

packages including 8-lead PDIP and SOIC, and

advanced packaging including 8-lead MSOP, 6-lead

SOT-23, 8-lead 2x3 DFN and 8-lead TSSOP. All

packages are Pb-free (Matte Tin) finish.

CLK

ORG

Name

Temp Ranges

I, E

Chip Select

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

No internal connection

Memory Configuration

Power Supply

P, SN, ST, MS, OT, MC

P, SN, ST, MS, MC

93C56A/B/C

Function

Packages

DS21794F-page 1

Related parts for 93LC56A-I/SN

93LC56A-I/SN Summary of contents

Page 1

... Erase/write Cycles • Data Retention > 200 Years • Pb-free and RoHS Compliant • Temperature Ranges Supported: - Industrial (I) -40°C to +85°C - Automotive (E) -40°C to +125°C © 2008 Microchip Technology Inc. 93AA56A/B/C, 93LC56A/B/C, ORG Pin Word Size Temp Ranges No 8-bit No 16-bit ...

Page 2

... Package Types (not to scale) ROTATED SOIC PDIP/SOIC (ex: 93LC46BX ORG CLK CLK TSSOP/MSOP SOT-23 (ST, MS) (OT CLK ORG DFN (MC CLK ORG *ORG pin A/B devices. DS21794F-page 2 (P, SN ORG * CLK © 2008 Microchip Technology Inc. ...

Page 3

... 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 with power applied................................................................................................ -40°C to +125°C ESD protection on all pins ......................................................................................................................................................≥ † NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device ...

Page 4

... TABLE 1-2: AC CHARACTERISTICS All parameters apply over the specified ranges unless otherwise noted. Param. Symbol Parameter No Clock frequency CLK A2 T Clock high time CKH A3 T Clock low time CKL A4 T Chip Select setup time CSS A5 T Chip Select hold time ...

Page 5

Page 6

... Pinout Range Device: 93AA56A: 2K 1.8V Microwire Serial EEPROM 93AA56B: 2K 1.8V Microwire Serial EEPROM 93AA56C: 2K 1.8V Microwire Serial EEPROM w/ORG 93LC56A: 2K 2.5V Microwire Serial EEPROM 93LC56B: 2K 2.5V Microwire Serial EEPROM 93LC56C: 2K 2.5V Microwire Serial EEPROM w/ORG 93C56A: 2K 5.0V Microwire Serial EEPROM 93C56B ...

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