PSF21150 INFINEON [Infineon Technologies AG], PSF21150 Datasheet - Page 253

• Manufacturer Part Number: PSF21150
• Description: IPAC-X ISDN PC ADAPTER CIRCUIT
• Manufacturer: INFINEON [Infineon Technologies AG]

Figure 100
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
Data Sheet
CS x DS
AD0 - AD7
Non-Multiplexed Address Timing
t
AS
253
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.
20
5
3
10
10
3
15
3
100
70
10
10
2
70
2
max.
80
25
ITT09662
PSB 21150
PSF 21150
2000-07-21
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns