AT93C66A-10SK-5.0C datasheet, PDF

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AT93C66A-10SK-5.0C: DescriptionEEPROM, 256X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, MS-012AA, SOIC-8; Categorystorage storage; File Size335KB，13 Pages; ManufacturerAtmel (Microchip); Environmental Compliance

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AT93C66A-10SK-5.0C Overview

EEPROM, 256X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, MS-012AA, SOIC-8

AT93C66A-10SK-5.0C Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Atmel (Microchip)
Parts packaging code	SOIC
package instruction	SOP,
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Spare memory width	8
Maximum clock frequency (fCLK)	2 MHz
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
memory density	4096 bit
Memory IC Type	EEPROM
memory width	16
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	256 words
character code	256
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	256X16
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Serial bus type	MICROWIRE
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3.9 mm
Maximum write cycle time (tWC)	10 ms

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Features

•

Medium-voltage and Standard-voltage Operation

•

– 5.0(V

= 4.5V to 5.5V)

– 2.7 (V

= 2.7V to 5.5V)

User-selectable Internal Organization

– 2K: 256 x 8 or 128 x 16

– 4K: 512 x 8 or 256 x 16

Three-wire Serial Interface

Sequential Read Operation

2 MHz Clock Rate (5V)

Self-timed Write Cycle (10 ms max)

High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

8-lead PDIP and 8-lead JEDEC SOIC Packages

Description

The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable program-

mable read-only memory (EEPROM). The EEPROM is organized

128/256 words of

16 bits each (when the ORG pin is connected to VCC)

and

256/512 words of

bits

each (when the ORG pin is tied to ground.) The device is optimized for use in many

automotive applications

where low-power

and

low-voltage operations

are

essential.

The AT93C56A/66A is

available

in space-saving

8-lead

PDIP

and 8-lead

JEDEC

SOIC

packages.

The AT93C56A/66A is enabled through the Chip

Select

(CS) pin

and accessed

via

three-wire serial interface consisting of Data Input (DI), Data Output (DO),

and Shift

Clock (SK). Upon receiving

Read instruction

DI, the

address

is decoded

and

the

data is clocked out serially on the data output pin DO. The write cycle is completely

self-timed,

and

no separate erase cycle is required before write. The write cycle is only

enabled when the part is in the Erase/Write Enable state. When CS is brought high

following the initiation of

write cycle, the DO pin outputs the Ready/Busy status of

the part.

The AT93C56A/66A is

available

in 4.5V to 5.5V

and

2.7V to 5.5V versions.

Table 1.

Pin Configurations

Pin Name

GND

VCC

ORG

Function

Chip

Select

Serial

Data Clock

Serial

Data Input

Serial

Data Output

Ground

Power

Supply

Internal Organization

Don’t Connect

Three-wire

Serial

Automotive

EEPROMs

2K (256 x 8 or 128 x 16)

4K (512 x 8 or 256 x 16)

AT93C56A

AT93C66A

Preliminary

8-lead PDIP

VCC

ORG

GND

8-lead SOIC

VCC

ORG

GND

3403D–SEEPR–10/04

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