psf2115 ETC-unknow, psf2115 Datasheet - Page 288

• Manufacturer Part Number: psf2115
• Description: Isdn Adapter Circuit Ipac
• Manufacturer: ETC-unknow

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
Figure 109
Microprocessor Interface Timing
Parameter
ALE pulse width
Semiconductor Group
CS x DS
AD0 - AD7
Non-Multiplexed Address Timing
t
AS
288
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
0
25
10
15
0
110
70
60
35
10
70
tbd
max.
110
25
ITT09662
PSB 2115
PSF 2115
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
11.97