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TC1321 Datasheet, PDF (4/16 Pages) Microchip Technology – 10-Bit Digital-to-Analog Converter with Two-Wire Interface | |||
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TC1321
TC1321 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: VDD = 2.7V to 5.5V, -40°C ⤠TA ⤠+85°C, VREF = 1.2 unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Serial Port AC Timing
fSMB
SMBus Clock Frequency
10
â
100
tIDLE
Bus Free Time Prior to New Transition
4.7
â
â
tH(START)
START Condition Hold Time
4.0
â
â
tSU(START) START Condition Setup Time
4.7
â
â
tSU(STOP)
tH-DATA
tSU-DATA
tLOW
tHIGH
tF
tR
tPOR
Note 1:
2:
STOP Condition Setup Time
4.0
â
â
Data In Hold Time
100
â
â
Data In Setup Time
100
â
â
Low Clock Period
4.7
â
â
High Clock Period
4
â
â
SMBus Fall Time
â
â
300
SMBus Rise Time
â
â
1000
Power-on Reset Delay
â
500
â
SDA and SCL must be connected to VDD or GND.
Measured at VOUT ⥠50mV referred to GND to avoid output buffer clipping.
kHz
µsec
µsec
µsec
µsec
nsec
nsec
µsec
µsec
nsec
nsec
µsec
90% SCL to 10% SDA
(for Repeated START
Condition)
10% to 10%
90% to 90%
90% to 10%
10% to 90%
VDD ⥠VPOR (Rising Edge)
DS21387B-page 4
© 2002 Microchip Technology Inc.
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