DS1225AB70 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1225AB70 Datasheet PDF : 10 Pages
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DS1225AB/AD
AC ELECTRICAL CHARACTERISTICS
(VCC =5V ± 5% for DS1225AB)
(TA: See Note 10)
(VCC =5V ± 10% for DS1225AD)
DS1225AB-70 DS1220AB-85
PARAMETER
SYMBOL DS1225AD-70 DS1220AD-85 UNITS NOTES
MIN MAX MIN MAX
Read Cycle Time
Access Time
OE to Output Valid
tRC
70
85
ns
tACC
70
85
ns
tOE
35
45
ns
CE to Output Valid
tCO
70
85
ns
OE or CE to Output Active
tCOE
5
5
ns
5
Output High Z from Deselection
tOD
25
30
ns
5
Output Hold from Address
Change
tOH
5
5
ns
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High Z from WE
tWC
70
85
ns
tWP
55
65
ns
3
tAW
0
0
ns
tWR1
0
0
ns
12
tWR2
10
10
ns
13
tODW
25
30
ns
5
Output Active from WE
tOEW
5
5
ns
5
Data Setup Time
Data Hold Time
tDS
30
35
tDH1
0
0
tDH2
10
10
ns
4
ns
12
ns
13
4 of 10
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