IDT 89HPES12NT12G2 Datasheet
23 of 32 December 16, 2013
DC Parameter for SCL Pin
V
IL (V)
Input Low 1.11 1.2 1.31 V
V
IH (V)
Input High 1.54 1.65 1.76 V
I
IL_Leak
Input Low Leakage 0 0 0 A
I
IH_Leak
Input High Leakage 0 0 0 A
1.
Data at room and hot temperature.
Symbol Parameter
SMBus @3.3V ±10%
1
1.
Data at room and hot temperature.
Unit
Min Max
F
SCL
Clock frequency 5 600 KHz
T
BUF
Bus free time between Stop and
Start
3.5 — s
T
HD:STA
Start condition hold time 1 — s
T
SU:STA
Start condition setup time 1 — s
T
SU:STO
Stop condition setup time 1 — s
T
HD:DAT
Data hold time 1 — ns
T
SU:DAT
Data setup time 1 — ns
T
TIMEOUT
Detect clock low time out — 74.7 ms
T
LOW
2
2.
T
LOW
and
T
HIGH
are measured at F
SCL
= 135 kHz.
Clock low period 3.7 — s
T
HIGH
2
Clock high period 3.7 — s
T
F
Clock/Data fall time — 72.2 ns
T
R
Clock/Data rise time — 68.3 ns
T
POR@10kHz
Time which a device must be
operational after power-on reset
20 — ms
Table 23 SMBus AC Timing Data
Symbol Parameter
SMBus 2.0 Char. Data
1
Unit
3V 3.3V 3.6V
Table 22 SMBus DC Characterization Data (Part 2 of 2)
