MIC3001 Datasheet, PDF (11/74 Pages) Micrel Semiconductor – SFP Management IC with Internal Calibration

MIC3001
Electrical Characteristics
Symbol
Parameter
Condition
Min Typ
Control and Status I/O Timing, TXFAULT, TXDISABLE, RSIN, RSOUT, and RXLOS
t_OFF
TXDISABLE Assert Time
From input asserted to optical output at 10%
of nominal, C_COMP = 10nF.
t_ON
TXDISABLE De-assert Time
From input de-asserted to optical output at
90% of nominal, C_COMP = 10nF.
t_INIT
Initialization Time
From power on or transmitter enabled to
optical output at 90% of nominal and
TX_FAULT de-asserted.⁽⁴⁾
t_INIT2
t_FAULT
t_RESET
Power-on Initialization Time
TXFAULT Assert Time
Fault Reset Time
From power on to APC loop enabled.
From fault condition to TXFAULT assertion.⁽⁴⁾
Length of time TXDISABLE must be asserted 10
to reset fault condition.
t_{LOSS_ON}
t_{LOSS_OFF}
t_DATA
RXLOS Assert Time
RXLOS De-assert Time
Analog Parameter Data Ready
From loss of signal to RXLOS asserted.
From signal acquisition to LOS de-asserted.
From power on to valid analog parameter
data available.⁽⁴⁾
t_{PROP_IN}
TXFAULT, TXDISABLE, RXLOS,
RSIN Input Propagation Time
Time from input change to corresponding
internal register bit set or cleared.⁽⁴⁾
t_{PROP_OUT}
TXFAULT, RSOUT, /INT Output
Propagation Time
From an internal register bit set or cleared to
corresponding output change.⁽⁴⁾
Fault Comparators
φ_FLTTMR
Fault Suppression Timer Clock
Period
Note 4
0.475 0.5
Accuracy
-3
t_REJECT
Glitch Rejection
Maximum length pulse that will not cause
4.5
output to change state.⁽⁴⁾
V_SAT
Saturation Detection Threshold
High level
95
Low level
5
Power-On Hour Meter
Timebase Accuracy
Resolution
0°C ≤ T_A ≤ +70°C⁽⁴⁾
–40°C ≤ T_A ≤ +105°C
Note 4
+5
+10
10
Non-Volatile (FLASH) Memory
t_WR
Write Cycle Time⁽⁷⁾
From STOP of a one to four-byte write
transaction.⁽⁴⁾
Data Retention
100
Endurance Minimum Permitted Number Write
Cycles
10,000
Serial Data I/O Pin, DATA
V_OL
V_IL
V_IH
I_LEAK
C_IN
Low Output Voltage
Low Input Voltage
High Input Voltage
Input Current
Input Capacitance
I_OL = 3mA
I_OL = 6mA
Note 4
2.1
10
Micrel
Max Units
10
µs
1
ms
300 ms
200 ms
95
µs
µs
95
µs
100
µs
400 ms
1
µs
1
µs
0.525 ms
+3 %F.S.
µs
%VDDA
%VDDA
–5
%
–10
%
hours
13
ms
years
cycles
0.4
V
0.6
V
0.8
V
V
±1
µA
pF
August 2004
11
M9999-082404