PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 183

• Manufacturer Part Number: PSB7238
• Description: Joint Audio Decoder-Encoder - Multimode
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

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
R/W hold from CS
Figure 61
Figure 62
Table 25
Parameter
ALE pulse width
Semiconductor Group
CS x DS
AD0 - AD7
R / W
CS x DS
D0 - D7
Microprocessor Write Timing
Non-Multiplexed Address Timing
DS inactive
t
DSD
t
WW
t
DW
Data
t
AS
t
RWD
183
t
WD
Symbol
t
t
t
t
t
t
t
t
t
t
AA
AL
LA
ALS
AS
AH
AD
DSD
RWD
WI
t
AH
Electrical Specification
min.
50
15
10
0
25
10
15
0
0
Limit Values Unit
Data Sheet 1998-07-01
max.
–
–
–
–
–
–
–
–
–
ITT09662
ITT09679
PSB 7238
ns
ns
ns
ns
ns
ns
ns
ns
ns