Philips Semiconductors

Product specification

80C562/83C562

Single-chip 8-bit microcontroller

1992 Jan 08

10

12MHz CLOCK

VARIABLE CLOCK

SYMBOL

FIGURE

PARAMETER

MIN

MAX

MIN

MAX

UNIT

2

Oscillator frequency

1.2

16

MHz

2

ALE pulse width

127

ns

2

Address valid to ALE low

28

ns

2

Address hold after ALE low

48

ns

2

ALE low to valid instruction in

234

ns

2

ALE low to PSEN low

43

ns

2

PSEN pulse width

205

ns

2

PSEN low to valid instruction in

145

ns

2

Input instruction hold after PSEN

0

0

ns

2

Input instruction float after PSEN

59

ns

2

Address to valid instruction in

312

ns

2

PSEN low to address float

10

10

ns

Data Memory

3, 4

Address valid to ALE low

43

ns

3

RD pulse width

400

ns

4

WR pulse width

400

ns

3

RD low to valid data in

252

ns

3

Data hold after RD

0

0

ns

3

Data float after RD

97

ns

3

ALE low to valid data in

517

ns

3

Address to valid data in

585

ns

3, 4

ALE low to RD or WR low

200

300

ns

3, 4

Address valid to WR low or RD low

203

ns

4

Data valid to WR transition

23

ns

4

Data before WR

433

ns

4

Data hold after WR

33

ns

3

RD low to address float

0

0

ns

3, 4

RD or WR high to ALE high

43

123

ns

External Clock

5

20

20

ns

5

20

20

ns

5

20

20

ns

5

20

20

ns

NOTES:

1. Parameters are valid over operating temperature range unless otherwise specified.

2. Load capacitance for port 0, ALE, and PSEN = 100pF, load capacitance for all other outputs = 80pF.

3. These values are characterized but not 100% production tested.