CAT5132 Datasheet, PDF (5/14 Pages) Catalyst Semiconductor – 15 Volt Digitally Programmable Potentiometer (DPP) with 128 Taps and 2-wire Interface

CAT5132
Table 8. POWER UP TIMING (Notes 9, 10)
Symbol
t_PUR
t_PUW
Power−up to Read Operation
Power−up to Write Operation
Parameter
Min
Max
Units
1
ms
1
ms
Table 9. WIPER TIMING
Symbol
Parameter
t_WRPO
t_WRL
Wiper Response Time After Power Supply Stable
Wiper Response Time After Instruction Issued
Min
Max
Units
5
10
ms
5
10
ms
Table 10. WRITE CYCLE LIMITS
Symbol
Parameter
Min
Max
Units
t_WR
Write Cycle Time (see Figure 7)
5
ms
The write cycle is the time from a valid stop condition of a write sequence to the end of the internal program/erase cycle. During the write
cycle, the bus interface circuits are disabled, SDA is allowed to remain high and the device does not respond to its slave address.
Table 11. RELIABILITY CHARACTERISTICS
Symbol
Parameter
Reference Test Method
Min
Max
N_END (Note 9)
Endurance
MIL−STD−883, Test Method 1033
100,000
T_DR (Note 9)
Data Retention
MIL−STD−883, Test Method 1008
100
9. This parameter is tested initially and after a design or process change that affects the parameter.
10. t_PUR and t_PUW are the delays required from the time VCC is stable until the specified operation can be initiated.
Units
Cycles
Years
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