Datasheet

TC1320
DS21386C-page 4  2002-2012 Microchip Technology Inc.
Serial Port AC Timing
f
SMB
SMBus Clock Frequency 10 — 100 kHz
t
IDLE
Bus Free Time Prior to New Transition 4.7 — — sec
t
H(START)
START Condition Hold Time 4.0 — — sec
t
SU(START)
START Condition Setup Time 4.7 — — sec 90% SCL to 10% SDA
(for Repeated START
Condition)
t
SU(STOP)
STOP Condition Setup Time 4.0 — — sec
t
H-DATA
Data In Hold Time 100 — — nsec
t
SU-DATA
Data In Setup Time 100 — — nsec
t
LOW
Low Clock Period 4.7 — — sec 10% to 10%
t
HIGH
High Clock Period 4 — — sec 90% to 90%
t
F
SMBus Fall Time — — 300 nsec 90% to 10%
t
R
SMBus Rise Time — — 1000 nsec 10% to 90%
t
POR
Power-on Reset Delay — 500 — sec V
DD
 V
POR
(Rising Edge)
TC1320 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: V
DD
= 2.7V to 5.5V, -40°C  T
A
 +85°C, V
REF
= 1.2V unless otherwise noted.
Symbol Parameter Min Typ Max Unit Test Conditions
Note 1: SDA and SCL must be connected to V
DD
or GND.
2: Measured at V
OUT
50mV referred to GND to avoid output buffer clipping.