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CAT5251 Datasheet, PDF (6/15 Pages) Catalyst Semiconductor – Quad Digitally Programmable Potentiometer (DPP) with 256 Taps and SPI Interface
CAT5251
WRITE CYCLE LIMITS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
tWR
Write Cycle Time
RELIABILITY CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol
NEND (1)
TDR(1)
VZAP(1)
ILTH(1)
Parameter
Endurance
Data Retention
ESD Susceptibility
Latch-Up
Reference Test Method
MIL-STD-883, Test Method 1033
MIL-STD-883, Test Method 1008
MIL-STD-883, Test Method 3015
JEDEC Standard 17
Min
Min
1,000,000
100
2000
100
Typ Max
5
Units
ms
Typ Max
Units
Cycles/Byte
Years
V
mA
Figure 1. Sychronous Data Timing
VIH
CS
VIL
VIH
SCK
VIL
VIH
SI
VIL
tCSS
tWH
tSU
tH
VALID IN
VOH
SO
VOL
HI-Z
Note: Dashed Line = mode (1, 1)
Figure 2. H¯¯O¯L¯D¯ Timing
CS
SCK
HOLD
SO
tCD
tHD
tHZ
tCS
tCSH
tWL
tRI
tFI
tV
tHO
tDIS
HI-Z
tCD
tHD
HIGH IMPEDANCE
tLZ
Notes:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
Doc. No. MD-2017 Rev. H
6
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice