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IS62LV256AL-45ULI-TR

P1-P3P4-P6P7-P9P10-P12P13-P13
4 Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. D
07/20/2015
IS65LV256AL
IS62LV256AL
CAPACITANCE
(1,2)
Symbol Parameter Conditions Max. Unit
cIn Input Capacitance VIn = 0V 6 pF
cout OutputCapacitance Vout = 0V 5 pF
Notes:
1.Testedinitiallyandafteranydesignorprocesschangesthatmayaffecttheseparameters.
2. Testconditions:T
a = 25°c, f=1MHz,Vdd=3.3V.
POWER SUPPLY CHARACTERISTICS
(1)
(OverOperatingRange)
-20 ns -45 ns
Symbol Parameter Test Conditions Min. Max. Min. Max. Unit
Icc1 VddOperating Vdd = Max.,CE = VIl Com. — 4 — 4 mA
Supply Current Iout = 0 mA, f = 0 Ind. — 5 — 5
Auto. — — — 8
Icc2 VddDynamicOperating Vdd = Max.,CE = VIl Com. — 20 — 10 mA
Supply Current Iout = 0 mA, f = fmax Ind. — 25 — 12
Auto. — — — 20
typ.
(2)
15 7
Isb1 TTLStandbyCurrent Vdd = Max., Com. — 1.5 — 1.5 mA
(TTLInputs) VIn = VIh or VIl Ind. — 1.8 — 1.8
CE
≥
VIh, f = 0 Auto. — — — 2
Isb2 CMOSStandby Vdd = Max., Com. — 15 — 15 µA
Current(CMOSInputs) CE
≤
Vdd – 0.2V, Ind. — 20 — 20
VIn > Vdd – 0.2V, or Auto. — — — 50
VIn
≤
0.2V, f = 0 typ.
(2)
2 2
Note:
1. At f = f
max, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
2.TypicalvaluesaremeasuredatV
dd=3.3V,Ta = 25
o
Candnot100%tested.
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 5
Rev. D
07/20/2015
IS65LV256AL
IS62LV256AL
READ CYCLE SWITCHING CHARACTERISTICS
(1)
(OverOperatingRange)
-20 ns -45 ns
Symbol Parameter Min. Max. Min. Max. Unit
trc ReadCycleTime 20 — 45 — ns
taa AddressAccessTime — 20 — 45 ns
toha OutputHoldTime 2 — 2 — ns
tace CEAccessTime — 20 — 45 ns
tdoe OEAccessTime — 10 — 25 ns
tlzoe
(2)
OEtoLow-ZOutput 0 — 0 — ns
thzoe
(2)
OEtoHigh-ZOutput — 9 0 20 ns
tlzce
(2)
CEtoLow-ZOutput 3 — 3 — ns
thzce
(2)
CEtoHigh-ZOutput — 9 0 20 ns
tPu
(3)
CEtoPower-Up 0 — 0 — ns
tPd
(3)
CEtoPower-Down — 18 — 30 ns
Notes:
1. Testconditionsassumesignaltransitiontimesof3nsorless,timingreferencelevelsof1.5V,inputpulselevelsof0to3.0Vand
outputloadingspeciedinFigure1.
2. TestedwiththeloadinFigure2.Transitionismeasured±500mVfromsteady-statevoltage.Not100%tested.
3. Not100%tested.
AC TEST LOADS
AC TEST CONDITIONS
Parameter Unit
InputPulseLevel 0Vto3.0V
InputRiseandFallTimes 3ns
InputandOutputTiming 1.5V
andReferenceLevels
OutputLoad SeeFigures1and2
Figure 1. Figure 2.
635 Ω
30 pF
Including
jig and
scope
702 Ω
OUTPUT
3.3V
635 Ω
5 pF
Including
jig and
scope
702 Ω
OUTPUT
3.3V
6 Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. D
07/20/2015
IS65LV256AL
IS62LV256AL
DATA VALID
tAA
tOHA
tOHA
tRC
DOUT
ADDRESS
50%50%
t
RC
t
OHA
t
AA
t
DOE
t
LZOE
t
ACE
t
LZCE
t
HZOE
t
PD
HIGH-Z
t
PU
DATA VALID
t
HZCE
ISB
ADDRESS
OE
CE
D
OUT
SUPPLY
CURRENT
ICC
READ CYCLE NO. 2
(1,3)
Notes:
1. WEisHIGHforaReadCycle.
2. Thedeviceiscontinuouslyselected.OE, CE =
VIl.
3. AddressisvalidpriortoorcoincidentwithCELOWtransitions.
AC WAVEFORMS
READ CYCLE NO. 1
(1,2)
P1-P3P4-P6P7-P9P10-P12P13-P13

IS62LV256AL-45ULI-TR

Mfr. #:
Buy IS62LV256AL-45ULI-TR
Manufacturer:
ISSI
Description:
SRAM 256K 32Kx8 45ns Async SRAM 3.3v
Lifecycle:
New from this manufacturer.
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