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IS61WV25616BLL-10BLI Datasheet, PDF (9/21 Pages) Integrated Silicon Solution, Inc – 256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM | |||
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IS61WV25616ALL/ALS, IS61WV25616BLL/BLS,
IS64WV25616BLL/BLS
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
-8
-10
1
Symbol
Parameter
Min. Max.
Min. Max.
Unit
tRC
Read Cycle Time
8â
10 â
ns
tAA
Address Access Time
â8
â 10
ns
2
tOHA
Output Hold Time
2.0 â
2.0 â
ns
tACE
CE Access Time
â8
â 10
ns
tDOE
tHZOE(2)
OE Access Time
OE to High-Z Output
â 4.5
â3
â 4.5
ns
â4
ns
3
tLZOE(2)
OE to Low-Z Output
0â
0â
ns
tHZCE(2
tLZCE(2)
CE to High-Z Output
CE to Low-Z Output
03
3â
04
ns
3â
ns
4
tBA
LB, UB Access Time
â 5.5
â 6.5
ns
tHZB(2)
tLZB(2)
LB, UB to High-Z Output
LB, UB to Low-Z Output
03
0â
03
ns
0â
ns
5
tPU
Power Up Time
0â
0â
ns
tPD
Notes:
Power Down Time
â8
â 10
ns
6
1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0V to
3.0V and output loading specified in Figure 1.
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage.
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12
Integrated Silicon Solution, Inc. â www.issi.com
9
Rev. G
07/15/2010
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