PEB2045-N SIEMENS [Siemens Semiconductor Group], PEB2045-N Datasheet - Page 44
PEB2045-N
Manufacturer Part Number
PEB2045-N
Description
Memory Time Switch CMOS (MTSC)
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2045-N.pdf
(53 pages)
- Current page: 44 of 53
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AC Characteristics
Ambient temperature under bias range,
Inputs are driven at 2.4 V for a logical 1 and at 0.4 V for a logical 0. Timing measurements are made
at 2.0 V for a logical 1 and at 0.8 V for a logical 0. The AC testing input/output waveforms are shown
below.
Figure 22
I/O Waveform for AC Tests
Parameter
Address stable before RD
Address hold after RD
RD width
RD to data valid
Address stable to data valid
Data float after RD
Read cycle time
Address stable before WR
Address hold time
WR width
Data setup time
Data hold time
Write cycle time
Semiconductor Group
P-Interface Timing
2.0
0.8
Test Points
2.0
0.8
V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
AR
RA
RR
RD
AD
DF
RCY
AW
WA
WW
DW
WD
WCY
DD
= 5 V 5 %.
44
min.
0
0
90
5
160
0
0
60
5
15
160
Device
Under
Test
Limit Values
max.
90
90
25
C
Load
= 150 pf
PEB 2045
PEF 2045
ITS00568
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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