MSM66577 datasheet(22/34 Pages) OKI

22 / 34 page

PEDL66577-01

1Semiconductor

MSM66577 Family

22/34

AC Characteristics 2 (V

DD = 2.4 to 3.6 V)

(1) Separate Bus Type

External program memory control

MSM66577L (V

DD = 2.4 to 3.6 V, Ta = –30 to +70°C)

MSM66Q577LY (V

DD = 3.0 to 3.6 V, Ta = –30 to +70°C)

Parameter

Symbol

Condition

Min.

Max.

Unit

Cycle time

cyc

OSC = 14 MHz

71.4

—

Clock pulse width (HIGH level)

tφWH

—

Clock pulse width (LOW level)

tφWL

—

PSEN pulse width

2 t

φ – 40

—

PSEN pulse delay time

—95

Address setup time

φ – 45

—

Address hold time

0—

Instruction setup time

—

Instruction hold time

0—

Read data access time

ACC

L = 50 pF

—3 t

φ – 120

Note: t

φ = t

cyc/2

INST0 to 7

PC0 to 19

Bus timing during no wait cycle time

cyc

tφ

CPUCLK

PSEN

A0 to A19

D0 to D7

tφ

ACC

MSM66577 Datasheet(PDF) 22 Page - OKI electronic componets

MSM66577 Datasheet(HTML) 22 Page - OKI electronic componets

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

Datasheet Download

Link URL