PCA9517DRG4 View Datasheet(PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS
Part Name
Description
MFG CO.
'PCA9517DRG4' PDF : 17 Pages View PDF
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PCA9517
LEVEL-TRANSLATING I2C BUS REPEATER
SCPS157A – DECEMBER 2007 – REVISED FEBRUARY 2008
Electrical Characteristics
VCCB = 2.7 V to 5.5 V, GND = 0 V, TA = –40°C to 85°C (unless otherwise noted)
VIK
VOL
VOL – VILc
PARAMETER
Input clamp voltage
Low-level output
voltage
Low-level input voltage
below low-level output
voltage
SDAB, SCLB
SDAA, SCLA
SDAB, SCLB
TEST CONDITIONS
II = –18 mA
IOL = 100 µA or 6 mA,
VILA = VILB = 0 V
IOL = 6 mA
VCCB
2.7 V to 5.5 V
2.7 V to 5.5 V
2.7 V to 5.5 V
VILC
SDA and SCL low-level
input voltage contention
SDAB, SCLB
2.7 V to 5.5 V
Both channels low,
SDAA = SCLA = GND and
ICC
Quiescent supply current for VCCA
SDAB = SCLB = open, or
SDAA = SCLA = open and
SDAB = SCLB = GND
ICC
Quiescent supply current
Both channels high,
SDAA = SCLA = VCCA and
SDAB = SCLB = VCCB and
EN = VCCB
Both channels low,
SDAA = SCLA = GND and
SDAB = SCLB = open, or
SDAA = SCLA = open and
SDAB = SCLB = GND
5.5 V
In contention,
SDAA = SCLA = GND and
SDAB = SCLB = GND
SDAB, SCLB VI = VCCB
VI = 0.2 V
II
Input leakage current
SDAA, SCLA VI = VCCB
VI = 0.2 V
EN
VI = VCCB
VI = 0.2 V
IOH
High-level output
leakage current
SDAB, SCLB
SDAA, SCLA VO = 3.6 V
2.7 V to 5.5 V
2.7 V to 5.5 V
EN
VI = 3 V or 0 V
CI
Input capacitance
SCLA, SCLB VI = 3 V or 0 V
3.3 V
3.3 V
0V
CIO
Input/output
capacitance
SDAA, SDAB VI = 3 V or 0 V
3.3 V
0V
MIN TYP MAX UNIT
–1.2 V
0.45 0.52
0.1
0.7
V
0.2
70 mV
–0.5
0.4
V
1 mA
1.5
4
1.5
5 mA
1.5
5
±1
10
±1
µA
10
±1
–10
–30
10
µA
10
6
7
6
9 pF
6
8
6
9
pF
6
8
Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted)
tsu
Setup time, EN high before Start condition(1)
th
Hold time, EN high after Stop condition(1)
(1) EN should change state only when the global bus and the repeater port are in an idle state.
MIN
MAX UNIT
100
ns
100
ns
Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): PCA9517
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