SMM764 SUMMIT Microelectronics, Inc:, SMM764 Datasheet - Page 12

• Manufacturer Part Number: SMM764
• Description: Four-channel Active Dc Output Controller, Monitor, Marginer And Sequencer With Sequence-link
• Manufacturer: SUMMIT Microelectronics, Inc:

Note: 1/ - Guaranteed by Design.
Summit Microelectronics, Inc
TIMING DIAGRAMS
I
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
t
SCL
BUF
SU:STA
HD:STA
SU:STO
AA
DH
R
F
SU:DAT
HD:DAT
WR_CONFIG
WR_EE
2
Symbol
LOW
HIGH
C-2 WIRE SERIAL INTERFACE AC OPERATING CHARACTERISTICS –100/400 kHz
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
Noise filter SCL and SDA
Write cycle time config
Write cycle time EE
t
SU:SDA
t
R
t
AA
t
HD:SDA
Figure 4 - Basic I
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
Configuration
registers
Memory array
Note 1/
Conditions
t
t
HD:DAT
HIGH
2098 1.1 6/29/2005
2
C Serial Interface Timing
t
LOW
t
DH
Min
250
4.0
4.7
4.7
4.7
4.0
4.7
0.2
0.2
t
SU:DAT
0
0
100kHz
Typ
100
t
SU:STO
1000
Max
100
300
3.5
10
5
Min
150
1.3
0.6
1.3
0.6
0.6
0.6
0.2
0.2
0
0
t
t
BUF
Preliminary Information
W R (For W rite O peration Only)
400kHz
Typ
100
SMM764
1000
Max
400
300
0.9
10
5
Units
KHz
ms
ms
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
12