DS2251 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2251 Datasheet PDF : 20 Pages
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SERIAL PORT TIMING - MODE 0
DS2251T
AC CHARACTERISTICS (cont'd)
PARALLEL PROGRAM LOAD TIMING
# PARAMETER
41 Pulse Width of PE 3-4
45 Byte-wide Address Hold after PE 3-4 High
During MOVX
46 Delay from Byte-wide Address Valid PE 3-4
Low During MOVX
47 Byte-wide Data Setup to PE 3-4 High During
MOVX (read)
48 Byte-wide Data Hold after PE 3-4 High
During MOVX (read)
49 Byte-wide Address Valid to R/ W Active
During MOVX (write)
50 Delay from R/ W Low to Valid Data Out
During MOVX (write)
51 Valid Data Out Hold Time from PE 3-4 High
52 Valid Data Out Hold Time from R/ W High
53 Write Pulse Width (R/ W Low Time)
(tA=0˚C to70˚C; VCC=5V ± 10%)
SYMBOL MIN
MAX UNITS
tCEPW
4tCLK-35
ns
tCEHDA
4tCLK-30
ns
tCELDA
4tCLK-35
ns
tDACEH
1tCLK+40
ns
tCEHDV
10
ns
tAVRWL
3tCLK-35
ns
tRWLDV
20
ns
tCEHDV
1tCLK-15
ns
tRWHDV
0
ns
tRWLPW
6tCLK-20
ns
15 of 20
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