IC EEPROM 2KBIT 2MHZ 8SOIC

 

AT93C56-10SC-2.7

Manufacturer Part NumberAT93C56-10SC-2.7
DescriptionIC EEPROM 2KBIT 2MHZ 8SOIC
ManufacturerAtmel
AT93C56-10SC-2.7 datasheets

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Specifications of AT93C56-10SC-2.7

Format - MemoryEEPROMs - SerialMemory TypeEEPROM
Memory Size2K (256 x 8 or 128 x 16)Speed1MHz, 2MHz
Interface3-Wire SerialVoltage - Supply2.7 V ~ 5.5 V
Operating Temperature0°C ~ 70°CPackage / Case8-SOIC (3.9mm Width)
Lead Free Status / RoHS StatusContains lead / RoHS non-compliant  
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Features
•
Low-voltage and Standard-voltage Operation
– 5.0 (V
= 4.5V to 5.5V)
CC
– 2.7 (V
= 2.7V to 5.5V)
CC
– 2.5 (V
= 2.5V to 5.5V)
CC
– 1.8 (V
= 1.8V to 5.5V)
CC
•
User-selectable Internal Organization
– 1K: 128 x 8 or 64 x 16
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
•
3-wire Serial Interface
•
2 MHz Clock Rate (5V) Compatibility
•
Self-timed Write Cycle (10 ms max)
•
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >4000V
•
Automotive Grade and Extended Temperature Devices Available
•
8-pin PDIP, 8-lead JEDEC and EIAJ SOIC, and 8-lead TSSOP Packages
Description
The AT93C46/56/57/66 provides 1024/2048/4096 bits of serial electrically erasable
programmable read only memory (EEPROM) organized as 64/128/256 words of 16
bits each, when the ORG pin is connected to V
each when it is tied to ground. The device is optimized for use in many industrial and
commercial applications where low power and low voltage operations are essential.
The AT93C46/56/57/66 is available in space saving 8-pin PDIP and 8-lead JEDEC
and EIAJ SOIC packages.
Pin Configurations
Pin Name
Function
CS
Chip Select
SK
Serial Data Clock
DI
Serial Data Input
DO
Serial Data Output
GND
Ground
VCC
Power Supply
ORG
Internal Organization
DC
Don’t Connect
8-lead SOIC
Rotated (R)
(1K JEDEC Only)
DC
1
8
ORG
VCC
2
7
GND
CS
3
6
DO
SK
4
5
DI
and 128/256/512 words of 8 bits
CC
(continued)
8-pin PDIP
CS
1
8
VCC
SK
2
7
DC
DI
3
6
ORG
DO
4
5
GND
8-lead SOIC
CS
1
8
VCC
SK
2
7
DC
DI
3
6
ORG
DO
4
5
GND
8-lead TSSOP
CS
1
8
VCC
SK
2
7
DC
DI
3
6
ORG
DO
4
5
GND
3-wire Serial
EEPROMs
1K (128 x 8 or 64 x 16)
2K (256 x 8 or 128 x 16)
4K (512 x 8 or 256 x 16)
AT93C46
AT93C56
AT93C57
AT93C66
Rev. 0172L–10/99
1

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AT93C56-10SC-2.7 Summary of contents

  • Page 1

    ... GND and 128/256/512 words of 8 bits CC (continued) 8-pin PDIP VCC ORG GND 8-lead SOIC VCC ORG GND 8-lead TSSOP VCC ORG GND 3-wire Serial EEPROMs 1K (128 16) 2K (256 128 x 16) 4K (512 256 x 16) AT93C46 AT93C56 AT93C57 AT93C66 Rev. 0172L–10/99 1 ...

  • Page 2

    ... WRITE cycle, the DO pin out- puts the READY/BUSY status of the part. The AT93C46 is available in 4.5V to 5.5V, 2.7V to 5.5V AT93C56/57/66 is available in 4.5V to 5.5V, 2.7V to 5.5V, and 2.5V to 5.5V versions. *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device ...

  • Page 3

    Pin Capacitance Applicable over recommended operating range from T Symbol Test Conditions C Output Capacitance (DO) OUT C Input Capacitance (CS, SK, DI) IN Note: 1. This parameter is characterized and is not 100% tested. DC Characteristics Applicable over ...

  • Page 4

    AC Characteristics Applicable over recommended operating range from TTL Gate and 100 pF (unless otherwise noted). Symbol Parameter SK Clock f SK Frequency t SK High Time SKH t SK Low Time SKL Minimum CS t ...

  • Page 5

    ... 10XXXXX 01XXXXX 00XXXXX AT93C46/56/57/66 Data x 16 Comments Reads data stored in memory, at specified address. Write enable must precede all programming modes. Erase memory location Writes memory location Erases all memory locations. Valid only 4.5V to 5.5V Writes all memory locations. Valid 15 0 only ...

  • Page 6

    ... Instruction Set for the AT93C56 and AT93C66 Op Instruction SB Code READ 1 10 EWEN 1 00 11XXXXXXX ERASE 1 11 WRITE 1 01 ERAL 1 00 10XXXXXXX WRAL 1 00 01XXXXXXX EWDS 1 00 00XXXXXXX Functional Description The AT93C46/56/57/66 is accessed via a simple and ver- satile 3-wire serial communication interface. Device opera- tion is controlled by seven instructions issued by the host processor ...

  • Page 7

    ... Synchronous Data Timing Note: 1. This is the minimum SK period. Organization Key for Timing Diagrams AT93C46 (1K) I Note DON’T CARE value, but the extra clock is required DON’T CARE value, but the extra clock is required. 7 READ Timing AT93C56 (2K (1) ( AT93C46/56/57/66 AT93C57 (2K) AT93C66 (4K ...

  • Page 8

    EWEN Timing EWDS Timing WRITE Timing HIGH IMPEDANCE DO (1) WRAL Timing HIGH IMPEDANCE DO Note: 1. Valid only 4.5V to 5.5V. CC AT93C46/56/57/66 8 ...

  • Page 9

    ERASE Timing HIGH IMPEDANCE DO (1) TERAL Timing HIGH IMPEDANCE DO Note: 1. Valid only 4.5V to 5.5V ... N-1 N-2 ...

  • Page 10

    AT93C46 Ordering Information t (max) I (max) I (max (ms) (µA) (µA) 10 2000 30.0 30.0 10 800 10.0 10.0 8P3 8-pin, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, Plastic Gull Wing Small ...

  • Page 11

    AT93C46 Ordering Information (Continued) t (max) I (max) I (max (ms) (µA) (µA) 10 600 10.0 10 0.1 0.1 8P3 8-pin, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, Plastic Gull Wing ...

  • Page 12

    ... Low Voltage (2.5V to 5.5V) AT93C46/56/57/ MAX (kHz) Ordering Code 2000 AT93C56-10PC AT93C56-10SC AT93C56W-10SC 2000 AT93C56-10PI AT93C56-10SI AT93C56W-10SI 1000 AT93C56-10PC-2.7 AT93C56-10SC-2.7 AT93C56W-10SC-2.7 1000 AT93C56-10PI-2.7 AT93C56-10SI-2.7 AT93C56W-10SI-2.7 500 AT93C56-10PC-2.5 AT93C56-10SC-2.5 AT93C56W-10SC-2.5 500 AT93C56-10PI-2.5 AT93C56-10SI-2.5 AT93C56W-10SI-2.5 Package Type Options Package Operation Range 8P3 ...

  • Page 13

    AT93C57 Ordering Information t (max) I (max) I (max (ms) (µA) (µA) 10 2000 30.0 30.0 10 800 10.0 10.0 8P3 8-pin, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, Plastic Gull Wing Small ...

  • Page 14

    AT93C66 Ordering Information t (max) I (max) I (max (ms) (µA) (µA) 10 2000 30.0 30.0 10 800 10.0 10.0 10 600 10.0 10.0 8P3 8-pin, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, ...

  • Page 15

    Packaging Information 8P3, 8-pin, 0.300" Wide, Plastic Dual Inline Package (PDIP) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-001 BA .400 (10.16) .355 (9.02) PIN 1 .300 (7.62) REF .210 (5.33) MAX .100 (2.54) BSC SEATING PLANE .150 (3.81) .115 ...

  • Page 16

    ... No licenses to patents or other intellectual prop- erty of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life suppor t devices or systems. ...

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