PEF2054 SIEMENS [Siemens Semiconductor Group], PEF2054 Datasheet - Page 248

• Manufacturer Part Number: PEF2054
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

RD-pulse width
RD-control interval
Data output delay from RD
Data float delay from RD
WR-pulse width
WR-control interval
Data set-up time to WRxCS, DSxCS
Data hold time from WRxCS, DSxCS
ALE-pulse width
Address set-up time to ALE
Address hold time from ALE
ALE set-up time to WR, RD
Address set-up time to WR, RD
Address hold time from WR
Bus Interface Timing
Parameter
R or W set-up to DS
Semiconductor Group
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
DSD
RR
RI
RD
DF
WW
WI
DW
WD
AA
AL
LA
ALS
AS
AH
248
min.
0
120
70
60
70
30
10
30
10
15
0
10
40
Limit Values
Electrical Characteristics
max.
100
25
PEB 2055
PEF 2055
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns