ICS1722
Table 8: Timing Characteristics
R»16kW, C»100pF
PARAMETER
Clock Frequency
Reset Pulse Duration
Charge Pulse Width
SYMBOL
REFERENCE
TYP
1.0
700
1048
5.0
UNITS
MHz
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
tRESET
tCHG
tDCHG
tR
tDA
tCYCLE
see Figure B
see Figure A
see Figure A
see Figure A
see Figure A
see Figure A
Discharge Pulse Width
Rest Time
4.0
Data Acquisition Time
16.4
1077
5.0
100
100
624
200
7.0
Cycle Time
Capacitor Discharge Pulse Width
Capacitor Discharge Pulse Period
Polling Detect Pulse Width
Polling Detect Pulse Period
Soft Start Initial Pulse Width
Soft Start Incremental Pulse Width
Discharge Mode Pulse Width
Discharge Mode Pulse Period
RESET to SEL Dynamic Reprogram Period
400
1050
1160
tRSA
see Figure B
Timing Diagrams
Figure A:
tCHG
tR
CHG
voltage
DCHG
tDCHG tR
tDA
tCYCLE
Figure B:
tRE S E T
R ES E T
S E L0
S E L1
AU X 0
AU X 1
tRS A
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