2

3378N–SEEPR–1/09

AT93C56A/66A

Table 2-1.

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

NC

No Connect

3.

Absolute Maximum Ratings*

Operating Temperature

......................................−55°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. This is a stress rating only, and

functional operation of the device at these or any

other conditions beyond those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions for extended periods may affect

device reliability

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

VCC

NC

ORG

GND

CS

SK

DI

DO

1

2

3

4

8

7

6

5

8-ball dBGA2

Bottom view

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

NC

ORG

GND

8-lead SOIC

1

2

3

4

8

7

6

5

VCC

NC

ORG

GND

CS

SK

DI

DO

8-lead Ultra Thin mini-MAP (MLP 2x3)

Bottom view

1

2

3

4

8

7

6

5

VCC

NC

ORG

GND

CS

SK

DI

DO

8-lead Ultra Lead Frame

Land Grid Array (ULA)

Bottom view

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

NC

ORG

GND

8-lead PDIP

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

NC

ORG

GND

8-lead TSSOP