Micrel, Inc.
MIC3003
Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Control and Status I/O Timing, TXFAULT, TXDISABLE, RS0, RRSOUT, and RXLOS
t
t
t
TXDISABLE Assert Time
TXDISABLE De-assert Time
Initialization Time
From input asserted to optical output
at 10% of nominal, CCOMP = 10nF.
10
1
µs
ms
ms
OFF
From input de-asserted to optical output
at 90% of nominal, CCOMP = 10nF.
ON
From power on or transmitter enabled to
optical output at 90% of nominal and
TX_FAULT de-asserted. Note 10
300
INIT
t
t
Power-on Initialization Time
TXFAULT Assert Time
From power on to APC loop-enabled.
200
ms
µs
INIT2
From fault condition to TXFAULT
assertion. Note 10
95
FAULT
t
Fault Reset Time
Length of time TXDISABLE must be
asserted to reset fault condition.
10
µs
RESET
t
t
RXLOS Assert Time
From loss of signal to RXLOS asserted.
95
µs
µs
LOSS_ON
RXLOS De-assert Time
From signal acquisition to LOS
de-asserted.
100
LOSS_OFF
t
t
Analog Parameter Data Ready
From power on to valid analog
parameter data available. Note 10
400
1
ms
µs
DATA
TXFAULT, TXDISABLE, RXLOS,
RS0, RS1 Input Propagation Time
Time from input change to
corresponding internal register bit set or
cleared. Note 10
PROP_IN
t
TXFAULT, TRSOUT, TRRSOUT,
/INT, QGPO Output Propagation
Time
From an internal register bit set or
cleared to corresponding output change.
Note 10
1
µs
PROP_OUT
Fault Comparators
Fault Suppression Timer Clock
Period
Note 10
0.475
0.5
0.525
ms
FLTTMR
Accuracy
-3
+3
%/fs
µs
t
Glitch Rejection
Maximum length pulse that will not
4.5
REJECT
cause output to change state. Note 10
%VDDA
%VDDA
V
Saturation Detection Threshold
High level
Low level
95
5
SAT
Power-On Hour Meter
Timebase Accuracy
0°C ≤ TA ≤ +70°, Note 10
–40°C ≤ TA ≤ +105°C
Note 10
+5
-5
%
%
+10
-10
Resolution
10
hours
Non-Volatile (FLASH) Memory
tWR
Write Cycle Time, Note 11
Measured from the SMBus STOP
condition of a one-byte to eight-byte
write transaction. Note 10
13
ms
NVRAM Data Retention
100
years
Endurance
Maximum permitted number of write
cycles to any single NVRAM location
10,000
cycles
Notes:
10. Guaranteed by design and/or testing of related parameters. Not 100% tested in production.
11. The MIC3003 will not respond to serial bus transactions during an EEPROM write cycle. The host will receive a NACK response during tWR
.
13
M9999-111209-C
hbwhelp@micrel.com or (408) 955-1690
November 2009
MICREL [ MICREL SEMICONDUCTOR ]
