msm9405 Oki Semiconductor, msm9405 Datasheet - Page 6

• Manufacturer Part Number: msm9405
• Description: Irda Communication Controller
• Manufacturer: Oki Semiconductor

¡ Semiconductor
AC Characteristics
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
SIR Data Rate Tolerance
MIR Pulse width
MIR Data Rate Tolerance
FIR Single Pulse Width
FIR Data Rate Tolerance
FIR Double Pulse Width
Reset Pulse Width
*1 120 ns when crystal oscillation frequency = 18.432 MHz,
*2 That which occurs latest of the following is to be used for the data delay time (t
*3 That which occurs first of the following is to be used for the read data hold time (t
Parameter
70 ns when crystal oscillation frequency = 48 MHz
the change of the state of A
RD high to low.
the change of the state of A
RD low to high.
Symbol
MDRT
SDRT
FDRT
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
achw
t
t
t
t
t
mpw
fdpw
wpw
achr
rstw
wah
wds
wdh
was
drqr
spw
rpw
csh
dak
tcw
fpw
rdd
rdh
rcv
css
intr
acs
tch
0
0
tcs
-A
-A
3
3
, the change from CS high to low, and the change from
, the change from CS low to high, and the change from
Condition
Transmitter
Transmitter
Transmitter
Transmitter
Transmitter
Transmitter
Transmitter
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
120/70
120/70
Min.
–10
–10
100
195
0.9
70
—
60
60
60
—
60
10
—
–5
10
50
—
—
—
—
—
—
—
70
—
—
—
0
0
0
0
0
(V
DD
Typ.
1.63
218
125
250
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
= 2.7 to 3.6 V, Ta = –20 to +70°C)
120/70
120/70
Max.
±0.87
±0.01
±2.0
±0.1
±0.2
±0.1
165
285
—
60
20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%
%
MSM9405
Note
*1
*2
*3
*1
*1
*1
6/30
rdd
rdh
) :
) :