µPD17P218

19

AC CHARACTERISTICS (Ta = –40 to +85

°C)

Item

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

tCY1

VDD = 3.5 to 5.5 V

1.99

32.2

µs

CPU Clock Cycle Time

Note

(Instruction Execution Time)

tCY2

VDD = 2.2 to 5.5 V

3.98

32.2

µs

tCY3

VDD = 2.0 to 5.5 V

7.96

32.2

µs

tIOH1

VDD = 4.5 to 5.5 V

10.0

µs

INT High-Level Width

tIOH2

VDD = 2.0 to 5.5 V

50.0

µs

tIOL1

VDD = 4.5 to 5.5 V

10.0

µs

INT Low-Level Width

tIOL2

VDD = 2.0 to 5.5 V

50.0

µs

tRSL1

VDD = 4.5 to 5.5 V

10.0

µs

RESET Low-Level Width

tRSL2

VDD = 2.0 to 5.5 V

50.0

µs

Note: CPU clock cycle time (instruction execution time) is determined depending on the connected oscillation

frequency and SYSCK (RF: address 02H) in the register file.

The following figure shows CPU clock cycle time tCY characteristics versus supply voltage VDD.

5

01

2

3

4

5

6

Supply voltage VDD [V]

2

3

4

5

6

7

8

9

10

32

40

2.2 V

tCY vs VDD