© 1996 Microchip Technology Inc.

DS20040J-page 3

59C11

TABLE 1-3:

AC CHARACTERISTICS

TABLE 1-4:

INSTRUCTION SET

Parameter

Symbol

Min

Max

Units

Conditions

Clock frequency

1

MHz

Clock high time

500

—

ns

Clock low time

500

—

ns

Chip select setup time

50

—

ns

Chip select hold time

0—

ns

Chip select low time

100

—

ns

Data input setup time

100

—

ns

Data input hold time

100

—

ns

Data output delay time

—

400

ns

CL = 100 pF

Data output disable time (from CS = low)

0

100

ns

CL = 100 pF

Data output disable time (from last clock)

0

400

ns

CL = 100 pF

RDY/BSY delay time

—

400

ns

Program cycle time (Auto Erase and Write)

Twc

—

1

15

ms

ms

for 8-bit mode

for ERAL and WRAL

in 8/16-bit modes

Endurance

—

1M

—

cycles

25

°C, Vcc = 5.0V, Block Mode

(Note 1)

Note 1: This parameter is not tested but guaranteed by characterization. For endurance estimates in a specific appli-

cation, please consult the Total Endurance Model which can be obtained on our BBS or website.

6 X 16 MODE, ORG = 1

Instruction

Start Bit

Opcode

Address

Data In

Data Out

Number of

Req. CLK CYcles

READ

1

1 0 X X

A5 A4 A3 A2 A1 A0

—

D15-D0

27

WRITE

1

X 1 X X

A5 A4 A3 A2 A1 A0

D15-D0

High-Z

27

EWEN

1

0 0 1 1

X

X

X

X

X

X

—

High-Z

11

EWDS

1

0 0 0 0

X

X

X

X

X

X

—

High-Z

11

ERAL

1

0 0 1 0

X

X

X

X

X

X

—

High-Z

11

WRAL

1

0 0 0 1

X

X

X

X

X

X

D15-D0

High-Z

27

128 X 8 MODE, ORG = 0

Instruction

Start Bit

Opcode

Address

Data In

Data Out

Number of

Req. CLK CYcles

READ

1

1 0 X X

A6 A5 A4 A3 A2 A1 A0

—

D7-D0

20

WRITE

1

X 1 X X

A6 A5 A4 A3 A2 A1 A0

D7-D0

High-Z

20

EWEN

1

0 0 1 1

X

X

X

X

X

X

X

—

High-Z

12

EWDS

1

0 0 0 0

X

X

X

X

X

X

X

—

High-Z

12

ERAL

1

0 0 1 0

X

X

X

X

X

X

X

—

High-Z

12

WRAL

1

0 0 0 1

X

X

X

X

X

X

X

D7-D0

High-Z

20