AT93C66-10PC-1.8 ATMEL Corporation, AT93C66-10PC-1.8 Datasheet

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AT93C66-10PC-1.8

Manufacturer Part Number
AT93C66-10PC-1.8
Description
3-wire Serial EEPROMs
Manufacturer
ATMEL Corporation
Datasheet
1.AT93C66-10PC-1.8.pdf (15 pages)
Features
•
•
•
•
•
•
•
•
Description
The AT93C46/56/66 provides 1024/2048/4096 bits of serial electrically erasable pro-
grammable read only memory (EEPROM) organized as 64/128/256 words of 16 bits
each, when the ORG pin is connected to VCC and 128/256/512 words of 8 bits each
when it is tied to ground. The device is optimized for use in many industrial and com-
mercial applications where low power and low voltage operations are essential. The
AT93C46/56/66 is available in space-saving 8-lead PDIP and 8-lead JEDEC and EIAJ
SOIC packages.
Pin Configurations
Pin Name
CS
SK
DI
DO
GND
VCC
ORG
DC
Low-voltage and Standard-voltage Operation
User-selectable Internal Organization
3-wire Serial Interface
2 MHz Clock Rate (5V)
Self-timed Write Cycle (10 ms max)
High Reliability
Automotive Grade and Extended Temperature Devices Available
8-lead PDIP, 8-lead JEDEC and EIAJ SOIC, and 8-lead TSSOP Packages
VCC
DC
– 5.0 (V
– 2.7 (V
– 2.5 (V
– 1.8 (V
– 1K: 128 x 8 or 64 x 16
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
CS
SK
(1K JEDEC Only)
1
2
3
4
CC
CC
CC
CC
8-lead SOIC
Rotated (R)
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Internal Organization
Don’t Connect
= 4.5V to 5.5V)
= 2.7V to 5.5V)
= 2.5V to 5.5V)
= 1.8V to 5.5V)
8
7
6
5
ORG
GND
DO
DI
DO
CS
SK
DI
DO
CS
SK
DI
DO
CS
SK
DI
1
2
3
4
1
2
3
4
8-lead TSSOP
1
2
3
4
8-lead SOIC
8-lead PDIP
8
7
6
5
8
7
6
5
8
7
6
5
VCC
DC
ORG
GND
VCC
DC
ORG
GND
VCC
DC
ORG
GND
(continued)
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
AT93C66
Rev. 0172O–08/01
1

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AT93C66-10PC-1.8 Summary of contents

Page 1

... 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 AT93C66 Rev. 0172O–08/01 1 ...

Page 2

Absolute Maximum Ratings* Operating Temperature.................................. -55°C to +125°C Storage Temperature ..................................... -65°C to +150°C Voltage on Any Pin with Respect to Ground .....................................-1.0V to +7.0V Maximum Operating Voltage .......................................... 6.25V DC Output Current........................................................ 5.0 mA Block Diagram Notes: 1. When ...

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

Instruction Set for the AT93C46 Op Instruction SB Code READ 1 10 EWEN 1 00 ERASE 1 11 WRITE 1 01 ERAL 1 00 WRAL 1 00 EWDS 1 00 0172O–08/01 Address ...

Page 6

Functional Description AT93C46/56/66 6 The AT93C46/56/66 is accessed via a simple and versatile 3-wire serial communication interface. Device operation is controlled by seven instructions issued by the host pro- cessor. A valid instruction starts with a rising edge of CS ...

Page 7

... DON’T CARE value, but the extra clock is required DON’T CARE value, but the extra clock is required. 7 READ Timing 0172O–08/01 AT93C46 (1K) AT93C56 (2K ( AT93C46/56/66 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 AT93C46/56/66 8 ...

Page 9

ERASE Timing HIGH IMPEDANCE DO (1) ERAL Timing HIGH IMPEDANCE DO Note: 1. Valid only 4.5V to 5.5V. CC 0172O–08/ ... N-1 ...

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-lead, 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-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, Plastic Gull Wing ...

Page 12

AT93C56 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-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-lead, 0.150" Wide, ...

Page 13

... AT93C66W-10SC-2.7 AT93C66-10TC-2.7 1000 AT93C66-10PI-2.7 AT93C66-10SI-2.7 AT93C66W-10SI-2.7 AT93C66-10TI-2.7 500 AT93C66-10PC-2.5 AT93C66-10SC-2.5 AT93C66W-10SC-2.5 AT93C66-10TC-2.5 500 AT93C66-10PI-2.5 AT93C66-10SI-2.5 AT93C66W-10SI-2.5 AT93C66-10TI-2.5 250 AT93C66-10PC-1.8 AT93C66-10SC-1.8 AT93C66W-10SC-1.8 AT93C66-10TC-1.8 250 AT93C66-10PI-1.8 AT93C66-10SI-1.8 AT93C66W-10SI-1.8 AT93C66-10TI-1.8 Package Type Options AT93C46/56/66 Package Operation Range 8P3 Commercial 8S1 (0°C to 70°C) 8S2 ...

Page 14

Packaging Information 8P3, 8-lead, 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 15

... Atmel Corporation 2001. Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein ...

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