DS1284/DS1286
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL MIN
TYP
MAX
10
UNITS NOTES
Input Capacitance
Output Capacitance
Input/Output Capacitance
CIN
COUT
CI/O
7
7
7
pF
pF
pF
10
10
AC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V to 5.5V, TA = -40°C to +85°C or 0°C to +70°C.)
PARAMETER
SYMBOL MIN
TYP
MAX UNITS NOTES
Read Cycle Time
tRC
tACC
tCO
150
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
1
Address Access Time
CE Access Time
150
150
60
OE Access Time
tOE
OE or CE to Output Active
Output High-Z from Deselect
Output Hold from Address Change
Write Cycle Time
tCOE
tOD
tOH
tWC
tWP
10
60
50
10
150
140
0
Write Pulse Width
3
Address Setup Time
Write Recovery Time
Output High-Z from WE
Output Active from WE
Data Setup Time
tAW
tWR
tODW
tOEW
tDS
10
10
45
0
4
4,5
11,12
Data Hold Time
tDH
INTA, INTB Pulse Width
tIPW
3
10 of 18
DALLAS [ DALLAS SEMICONDUCTOR ]
