3

93C46/56/57/66/86

Doc. No. 25056-00 2/98 M-1

Note:

(1)

Address bit A8 for 256x8 ORG and A7 for 128x16 ORG are "Don't Care" bits, but must be kept at either a "1" or "0" for READ, WRITE

and ERASE commands.

(2)

Applicable only to 93C86

(3)

This parameter is tested initially and after a design or process change that affects the parameter.

PIN CAPACITANCE

Symbol

Test

Max.

Units

Conditions

OUTPUT CAPACITANCE (DO)

5

pF

INPUT CAPACITANCE (CS, SK, DI, ORG)

5

pF

INSTRUCTION SET

Instruction Device

Start Opcode

Address

Data

Comments

Type

Bit

x8

x16

x8

x16

READ

93C46

1

10

A6-A0

A5-A0

Read Address AN–A0

1

10

A8-A0

A7-A0

93C66

1

10

A8-A0

A7-A0

93C57

1

10

A7-A0

A6-A0

93C86

1

10

A10-A0

A9-A0

X

ERASE

93C46

1

11

A6-A0

A5-A0

Clear Address AN–A0

1

11

A8-A0

A7-A0

93C66

1

11

A8-A0

A7-A0

93C57

1

11

A7-A0

A6-A0

93C86

1

11

A10-A0

A9-A0

I

WRITE

93C46

1

01

A6-A0

A5-A0

D7-D0 D15-D0

Write Address AN–A0

1

01

A8-A0

A7-A0

D7-D0 D15-D0

93C66

1

01

A8-A0

A7-A0

D7-D0 D15-D0

93C57

1

01

A7-A0

A6-A0

D7-D0 D15-D0

93C86

1

01

A10-A0

A9-A0

D7-D0 D15-D0

I

EWEN

93C46

1

00

11XXXXX

11XXXX

Write Enable

93C56

1

00

11XXXXXXX

11XXXXXX

93C66

1

00

11XXXXXXX

11XXXXXX

93C57

1

00

11XXXXXX

11XXXXX

93C86

1

00

11XXXXXXXXX 11XXXXXXXX

X

EWDS

93C46

1

00

00XXXXX

00XXXX

Write Disable

93C56

1

00

00XXXXXXX

00XXXXXX

93C66

1

00

00XXXXXXX

00XXXXXX

93C57

1

00

00XXXXXX

00XXXXX

93C86

1

00

00XXXXXXXXX 00XXXXXXXX

X

ERAL

93C46

1

00

10XXXXX

10XXXX

Clear All Addresses

93C56

1

00

10XXXXXXX

10XXXXXX

93C66

1

00

10XXXXXXX

10XXXXXX

93C57

1

00

10XXXXXX

10XXXXX

93C86

1

00

10XXXXXXXXX 10XXXXXXXX

I

WRAL

93C46

1

00

01XXXXX

01XXXX

D7-D0 D15-D0

Write All Addresses

93C56

1

00

01XXXXXXX

01XXXXXX

D7-D0 D15-D0

93C66

1

00

01XXXXXXX

01XXXXXX

D7-D0 D15-D0

93C57

1

00

01XXXXXX

01XXXXX

D7-D0 D15-D0

93C86

1

00

01XXXXXXXXX 01XXXXXXXX

D7-D0 D15-D0

I