Datasheet

Not Recommended for New Designs
bq27505
SLUS884–FEBRUARY 2009 www.ti.com
3.10 I
2
C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS
T
A
= –40°C to 85°C, 2.4 V < V
CC
< 2.6 V; typical values at T
A
= 25°C and V
CC
= 2.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
r
SCL/SDA rise time 300 ns
t
f
SCL/SDA fall time 300 ns
t
w(H)
SCL pulse duration (high) 600 ns
t
w(L)
SCL pulse duration (low) 1.3 ms
t
su(STA)
Setup for repeated start 600 ns
t
d(STA)
Start to first falling edge of SCL 600 ns
t
su(DAT)
Data setup time 100 ns
t
h(DAT)
Data hold time 0 ns
t
su(STOP)
Setup time for stop 600 ns
t
(BUF)
Bus free time between stop and start 66 ms
f
SCL
Clock frequency 400 kHz
Figure 3-1. I
2
C-Compatible Interface Timing Diagrams
8 ELECTRICAL SPECIFICATIONS Copyright © 2009, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): bq27505