Micrel, Inc.
MIC3003
Serial Data I/O Pin, Data
Symbol
Parameter
Condition
Min
2.1
Typ
Max
0.4
Units
V
VOL
Low Output Voltage
IOL = 3mA
I
OL = 6mA
0.6
V
VIL
Low Input Voltage
High Input Voltage
Input Current
0.8
V
VIH
V
ILEAK
CIN
±1
µA
pF
Input Capacitance
Note 12
10
10
Serial Clock Input, CLK
VIL
Low Input Voltage
2.7V ≤ VDD ≤ 3.6V
2.7V ≤ VDD ≤ 3.6V
0.8
±1
V
V
VIH
High Input Voltage
Input Current
2.1
ILEAK
CIN
µA
pF
Input Capacitance
Note 12
Serial Interface Timing(4)
t1
CLK (clock) Period
2.5
100
300
100
100
µs
ns
ns
ns
ns
ms
t2
Data In Setup Time to CLK High
Data Out Stable After CLK Low
Data Low Setup Time to CLK Low
t3
t4
Start Condition
t5
Data High Hold Time After CLK High Stop Condition
Data Ready Time
From power on to completion of one set
tDATA
400
of ADC conversions; analog data
available via serial interface.
QGPO Reset Pulse Timing
t1
QGPO reset pulse low duration
OEMCFG3 bit 7 = 1
A2h:255 (FFh) [2-0] switch to 111
112.5
20.25
125
137.5
24.75
µs
t2
QGPO reset de-assertion to the
clearing of A2:FFh bits 2:0
OEMCFG3 bit 7 = 1
A2h:255 (FFh) [2-0] ≠ 111
22.5
ms
Note:
12. Guaranteed by design and/or testing of related parameters. Not 100% tested in production.
Serial Interface Timing Diagram
Serial Interface Timing
14
M9999-111209-C
hbwhelp@micrel.com or (408) 955-1690
November 2009
MICREL [ MICREL SEMICONDUCTOR ]
