psb21381 Infineon Technologies Corporation, psb21381 Datasheet - Page 260

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psb21381

Manufacturer Part Number
psb21381
Description
Siemens Codec With S/t Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
Data Sheet
Figure 104
Non-Multiplexed Address Timing
Microprocessor Interface Timing
Parameter
ALE pulse width
Address setup time to ALE
Address hold time from ALE
Address latch setup time to WR, RD
Address setup time
Address hold time
ALE guard time
DS delay after R/W setup
RD pulse width
Data output delay from RD
Data float from RD
RD control interval
W pulse width
Data setup time to W x CS
Data hold time W x CS
W control interval
R/W hold from CS x DS inactive
CS x DS
AD0 - AD7
t
AS
250
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AA
AL
LA
ALS
AS
AH
AD
DSD
RR
RD
DF
RI
WW
DW
WD
WI
RWD
t
AH
Electrical Characteristics
Limit Values
min.
50
15
10
10
25
10
15
20
110
70
60
35
10
70
30
max.
95
25
ITT09662
PSB 21381/2
PSB 21383/4
2001-03-12
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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