CAT5419
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5
Table 7. A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)
Symbol
Parameter Min Typ Max Units
f
SCL
Clock Frequency 400 kHz
T
I
(Note 8) Noise Suppression Time Constant at SCL, SDA Inputs 50 ns
t
AA
SLC Low to SDA Data Out and ACK Out 0.9
ms
t
BUF
(Note 8) Time the bus must be free before a new transmission can start 1.2
ms
t
HD:STA
Start Condition Hold Time 0.6
ms
t
LOW
Clock Low Period 1.2
ms
t
HIGH
Clock High Period 0.6
ms
t
SU:STA
Start Condition Setup Time (for a Repeated Start Condition) 0.6
ms
t
HD:DAT
Data in Hold Time 0 ns
t
SU:DAT
Data in Setup Time 100 ns
t
R
(Note 8) SDA and SCL Rise Time 0.3
ms
t
F
(Note 8) SDA and SCL Fall Time 300 ns
t
SU:STO
Stop Condition Setup Time 0.6
ms
t
DH
Data Out Hold Time 50 ns
Table 8. POWER UP TIMING (Note 8) (Over recommended operating conditions unless otherwise stated.)
Symbol Parameter Min Typ Max Units
t
PUR
Power-up to Read Operation 1 ms
t
PUW
Power-up to Write Operation 1 ms
8. This parameter is tested initially and after a design or process change that affects the parameter.
Table 9. WRITE CYCLES LIMITS (Note 9)
Symbol
Parameter Max Units
t
WR
Write Cycle Time 5 ms
9. 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 10. RELIABILITY CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)
Symbol
Parameter Reference Test Method Min Typ Max Units
N
END
(Note 10) Endurance MIL−STD−883, Test Method 1033 1,000,000 Cycles/Byte
T
DR
(Note 10) Data Retention MIL−STD−883, Test Method 1008 100 Years
V
ZAP
(Note 10) ESD Susceptibility MIL−STD−883, Test Method 3015 2,000 Volts
I
LTH
(Notes 10, 11) Latch-up JEDEC Standard 17 100 mA
10.This parameter is tested initially and after a design or process change that affects the parameter.
11. t
PUR
and t
PUW
are the delays required from the time V
CC
is stable until the specified operation can be initiated.
