DS1225 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1225 Datasheet PDF : 8 Pages
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AC ELECTRICAL CHARACTERISTICS
DS1225Y-150
PARAMETER
SYMBOL MIN MAX
Read Cycle Time
tRC
150
Access Time
tACC
150
OE to Output Valid
tOE
70
CE to Output Valid
tCO
150
OE or CE to
tCOE
5
Output Active
Output High Z from
tOD
35
Deselection
Output Hold from
AddressChange
tOH
5
Write Cycle Time
tWC
150
Write Pulse Width
tWP
100
Address Setup Time
tAW
0
Write Recovery Time
tWR1
0
tWR2
10
Output High Z from WE tODW
35
Output Active from WE
tOEW
5
Data Setup Time
Data Hold Time
tDS
60
tDH1
0
tDH2
10
DS1225Y
(t A : See Note 10; VCC =5.0V ± 10%)
DS1225Y-170 DS1225Y-200
MIN MAX MIN MAX UNITS NOTES
170
200
ns
170
200 ns
80
100 ns
170
200 ns
5
5
ns
5
35
35 ns
5
5
5
ns
170
200
ns
120
150
ns
3
0
0
ns
0
0
ns
12
10
10
ns
13
35
35 ns
5
5
5
ns
5
70
80
0
0
10
10
ns
4
ns
12
ns
13
CAPACITANCE
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
CIN
CI/O
MIN
(TA = 25°C)
TYP
MAX UNITS NOTES
10
pF
10
pF
4 of 8
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