SMM105 SUMMIT Microelectronics, Inc:, SMM105 Datasheet - Page 7

• Manufacturer Part Number: SMM105
• Description: Single-channel Supply Voltage Marginer And Active Dc Output Controller Microelectronics, Inc.
• Manufacturer: SUMMIT Microelectronics, Inc:

TIMING DIAGRAMS
Figure 4 . Basic I
Note: 1/ - Guaranteed by Design.
Summit Microelectronics, Inc
Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND. See Figure 4 Timing Diagram.
f
t
t
t
t
t
t
t
t
t
t
t
t
TI
t
I
Symbol
WR
SCL
LOW
HIGH
BUF
SU:STA
HD:STA
SU:STO
AA
DH
R
F
SU:DAT
HD:DAT
2
C 2-WIRE SERIAL INTERFACE AC OPERATING CHARACTERISTICS – 100/400kHz
SCL
SDA
SDA
(OUT)
(IN)
Description
SCL Clock Frequency
Clock Low Period
Clock High Period
Bus Free Time
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Clock Edge to Data Valid
Data Output Hold Time
SCL and SDA Rise Time
SCL and SDA Fall Time
Data In Setup Time
Data In Hold Time
Write Cycle Time
Noise Filter SCL and SDA
t
SU:SDA
t
R
2
C Serial Interface Timing
t
AA
t
HD:SDA
t
F
Before New Transmission
-
SCL low to valid
SDA (cycle n)
SCL low (cycle n+1)
to SDA change
Note 1/
Note 1/
Noise suppression
Note 1/
t
Conditions
t
HD:DAT
HIGH
2068 1.8 09/20/05
t
LOW
t
DH
Min
250
t
4.7
4.0
4.0
4.7
4.7
4.7
0.2
0.2
SU:DAT
0
0
100kHz
Typ
100
t
SU:STO
1000
Max
100
300
3.5
5
Min
150
0.6
1.3
0.6
1.3
0.6
0.6
0.2
0.2
0
0
t
t
BUF
W R (For W rite O peration Only)
Preliminary Information
400kHz
Typ
100
SMM105
1000
Max
400
300
0.9
5
Units
KHz
ms
Ps
Ps
Ps
Ps
Ps
Ps
Ps
Ps
ns
ns
ns
ns
ns
7