11257-801 AMI Semiconductor, Inc., 11257-801 Datasheet - Page 12

• Manufacturer Part Number: 11257-801
• Description: Low-Skew Clock Fanout Buffer ICs
• Manufacturer: AMI Semiconductor, Inc.

Table 11: Serial Interface Timing Specifications
Unless otherwise stated, all power supplies = 3.3V ± 5%, no load on any output, and ambient temperature range T
characterization data and are not currently production tested to any specific limits. MIN and MAX characterization data are
Figure 13: Bus Timing Data
Figure 14: Data Transfer Sequence
Clock frequency
Bus free time between STOP and START
Set up time, START (repeated)
Hold time, START
Set up time, data input
Hold time, data input
Output data valid from clock
Rise time, data and clock
Fall time, data and clock
High time, clock
Low time, clock
Set up time, STOP
OUT
SDA
SDA
SDA
SCL
SCL
IN
PARAMETER
t
su:STA
START
t
su:STA
t
hd:STA
t
f
t
hd:STA
t
AA
SYMBOL
t
L
t
t
t
t
t
su:STA
hd:STA
su:DAT
hd:DAT
su:STO
f
t
t
BUF
SCL
t
AA
t
t
t
H
L
r
f
ADDRESS OR
DATA VALID
SCL
SDA
SDA
Minimum delay to bridge undefined region of the fall-
ing edge of SCL to avoid unintended START or STOP
SDA, SCL
SDA, SCL
SCL
SCL
t
H
t
hd:DAT
t
AA
12
DATA CAN
CHANGE
CONDITIONS/DESCRIPTION
A
= 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal
t
su:DAT
3 from typical.
t
su:STO
MIN.
250
300
4.7
4.7
4.0
4.0
4.7
4.0
10
STOP
t
su:STO
t
r
MAX.
January 1999
1000
400
300
3.5
t
BUF
UNITS
kHz
1.13.99
ns
ns
ns
ns
s
s
s
s
s
s
s