MSM9405MB データシートの表示（PDF） - Oki Electric Industry

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MSM9405MB

IrDA Communication Controller

Oki Electric Industry 

¡ Semiconductor

MSM9405

AC Characteristics

Parameter

(VDD = 2.7 to 3.6 V, Ta = –20 to +70°C)

Symbol Condition Min. Typ. Max. Unit Note

Read Pulse Width

Read Data Delay Time

Read Data Hold Time

Read/Write Recovery Time

CS Setup Time

CS Hold Time

Write Address Hold Time

Write Pulse Width

Write Data Setup Time

Write Data Hold Time

Write Address Setup Time

Interrupt Clear Time

DACK Pulse Width

DACK Setup Time

DREQ Clear Time

DACK Hold Time (during Read)

DACK Hold Time (during Write)

TC Pulse Width

TC Setup Time

TC Hold Time

SIR Pulse Width

trpw

—

120/70 —

—

ns

*1

trdd

—

—

—

60

ns

*2

trdh

—

0

—

20

ns

*3

trcv

—

60

—

—

ns

tcss

—

60

—

—

ns

tcsh

—

0

—

—

ns

twah

—

0

—

—

ns

twpw

—

120/70 —

—

ns

*1

twds

—

60

—

—

ns

twdh

—

–10 —

—

ns

twas

—

–10 —

—

ns

tintr

—

—

— 120/70 ns

*1

tdak

—

60

—

—

ns

tacs

—

10

—

—

ns

tdrqr

—

—

— 120/70 ns

*1

tachr

—

–5

—

—

ns

tachw

—

10

—

—

ns

ttcw

—

50

—

—

ns

ttcs

—

0

—

—

ns

ttch

—

0

—

—

ns

Transmitter — 1.63 —

ms

tspw

Receiver 0.9

—

—

ms

SIR Data Rate Tolerance

SDRT

Transmitter —

Receiver —

— ±0.87 %

— ±2.0 %

MIR Pulse width

Transmitter — 218 —

ns

tmpw

Receiver 100 —

—

ns

MIR Data Rate Tolerance

MDRT

Transmitter —

Receiver —

— ±0.1 %

— ±0.2 %

FIR Single Pulse Width

Transmitter — 125 —

ns

tfpw

Receiver 70

—

165

ns

FIR Data Rate Tolerance

FDRT

Transmitter —

Receiver —

— ±0.01 %

— ±0.1 %

FIR Double Pulse Width

Transmitter — 250 —

ns

tfdpw

Receiver 195

—

285

ns

Reset Pulse Width

trstw

—

70

—

—

ns

*1 120 ns when crystal oscillation frequency = 18.432 MHz,

70 ns when crystal oscillation frequency = 48 MHz

*2

That which occurs latest

the change of the state of

RD high to low.

Aof0-tAhe3,ftohlleocwhiannggiesftroombeCuSsehdigfhortothloewd,aatnaddtehlaeychtiamnege(tfrrdodm) :

*3

That which occurs first of the following is to be used

the

RD

change

low to

of the

high.

state

of

A0-A3,

the

change

from

CS

for the

low to

read data

high, and

hold time (trdh) :

the change from

6/30

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