ISL6296 Datasheet, PDF (4/17 Pages) Intersil Corporation – FlexiHash For Battery Authentication

ISL6296
Typical Applications
Pack+
XSD
Pack-
R₁
100Ω _{XSD ISL6296 VDD}
D₁
5.1V
VSS
R₂
100Ω
C₁
0.1µF
Protection
FIGURE 1. TYPICAL APPLICATION WITH THE ISL6296 POWERED BY THE BATTERY
Pack+
XSD
Pack-
R₁
100Ω _{XSD ISL6296 VDD}
D₁
5.1V
VSS
C₁
1µF
Protection
FIGURE 2. TYPICAL APPLICATION WITH THE ISL6296 POWERED BY THE XSD BUS
Block Diagram
VDD
POR/2.5V
regulator
XSD
XSD
Comm
Interface
AUTH
SESL
CHLG
FlexiHash^TM
Engine
MSCR STAT
Oscillator
Analog
Digital
DCFG (1 Byte)
DTRM (1 Byte)
Secret #1
(4 Bytes)
Secret #2
(4 Bytes)
Secret #3
(4 Bytes)
General Purpose
(2 Bytes)
16 Bytes
OTPROM
Control/Status/
Test Interface
TIO
VSS
FIGURE 3. FUNCTIONAL BLOCK DIAGRAM
4
FN9201.0
February 1, 2005