SRAM
AS5C512K8
AC TEST CONDITIONS
Inputꢀpulseꢀlevelsꢀ...............................................ꢀVssꢀtoꢀ3.0V
Inputꢀriseꢀandꢀfallꢀtimesꢀ..................................................ꢀ3ns
Inputꢀtimingꢀreferenceꢀlevelsꢀ........................................ꢀ1.5V
Outputꢀreferenceꢀlevelsꢀ..................................................ꢀ1.5V
Outputꢀloadꢀ.................................................ꢀSeeꢀFiguresꢀ1ꢀ
167 ohms
Q
167 ohms
Q
1.73V
1.73V
C=30pF
C=5pF
Fig. 2 Output Load
Equivalent
Fig. 1 Output Load
Equivalent
andꢀ2ꢀ
NOTES
8.ꢀ WE\ꢀisꢀHIGHꢀforꢀREADꢀcycle.
9.ꢀꢀ Deviceꢀisꢀcontinuouslyꢀselected.ꢀChipꢀenablesꢀand
outputꢀenablesꢀareꢀheldꢀinꢀtheirꢀactiveꢀstate.
10.ꢀ Addressꢀvalidꢀpriorꢀto,ꢀorꢀcoincidentꢀwith,ꢀlatest
1.ꢀ AllꢀvoltagesꢀreferencedꢀtoꢀVSSꢀ(GND).
2.ꢀ -2Vꢀforꢀpulseꢀwidthꢀ<ꢀ20ns
ꢀ
3.ꢀ ICCꢀisꢀdependentꢀonꢀoutputꢀloadingꢀandꢀcycleꢀrates.
4.ꢀ Thisꢀparameterꢀisꢀguaranteedꢀbutꢀnotꢀtested.
5.ꢀ Testꢀconditionsꢀasꢀspecifiedꢀwithꢀtheꢀoutputꢀloadingꢀꢀ
ꢀ
occurringꢀchipꢀenable.
11.ꢀꢀ tRCꢀ=ꢀReadꢀCycleꢀTime.
ꢀ
asꢀshownꢀinꢀFig.ꢀ1ꢀunlessꢀotherwiseꢀnoted.
12.ꢀ Chipꢀenableꢀandꢀwriteꢀenableꢀcanꢀinitiateꢀand
6.ꢀ tLZCE,ꢀꢀtLZWE,ꢀꢀtLZOE,ꢀꢀtꢀHZCE,ꢀꢀtHZOEꢀꢀandꢀꢀtHZWEꢀꢀ
ꢀ
terminateꢀaꢀWRITEꢀcycle.
ꢀ
ꢀ
areꢀspecifiedꢀwithꢀCLꢀ=ꢀ5pFꢀasꢀinꢀFig.ꢀ2.ꢀTransitionꢀisꢀꢀ
measuredꢀ±200mVꢀfromꢀsteadyꢀstateꢀvoltage.
13.ꢀ Outputꢀenableꢀ(OE\)ꢀisꢀinactiveꢀ(HIGH).
14.ꢀ Outputꢀenableꢀ(OE\)ꢀisꢀactiveꢀ(LOW).
7.ꢀ Atꢀanyꢀgivenꢀtemperatureꢀandꢀvoltageꢀcondition,
15.ꢀꢀASIꢀdoesꢀnotꢀwarrantꢀfunctionalityꢀnorꢀreliabilityꢀof
ꢀ
tHZCEꢀisꢀlessꢀthanꢀtLZCE,ꢀandꢀꢀtHZWEꢀisꢀlessꢀthanꢀꢀ
ꢀ
ꢀ
ꢀ
anyꢀproductꢀinꢀwhichꢀtheꢀjunctionꢀtemperature
exceedsꢀ150°C.ꢀCareꢀshouldꢀbeꢀtakenꢀtoꢀlimitꢀpowerꢀto
acceptableꢀlevels.
tLZWE.
ꢀ
DATA RETENTION ELECTRICAL CHARACTERISTICS (L Version Only)
DESCRIPTION
CONDITIONS
CE\ > VCC -0.2V
VIN > VCC -0.2 or 0.2V
Vcc = 2.0V
SYM
MIN MAX UNITS NOTES
Vcc for Retention Data
VDR
2
V
Data Retention Current
Chip Deselect to Data
Operation Recovery Time
2
mA
ns
ICCDR
tCDR
tR
0
4
10
ms
4, 11
Micross Components reserves the right to change products or specifications without notice.
AS5C512K8
Rev. 7.5 01/13
5
MICROSS [ MICROSS COMPONENTS ]
