INTEGRATED CIRCUITS PTN3501 Maintenance and control device Product specification Supersedes data of 2000 Nov 22 2001 Jan 17 Philips Semiconductors Philips Semiconductors Product specification Maintenance and control device PTN3501 FEATURES • I2C to parallel port expander • Internal 256x8 E2PROM • Self timed write cycle (5 ms typ.
) • 16 byte page write operation • Controlled pull-up on address lines • Low voltage VCC range of +2.
5 V to +3.
6 V • 5 V – tolerant I/Os • Low standby current ( 60 µA ) • Power on Reset • Supports Live Insertion • Compatible with SMBus specification version 1.
1 • High E2PROM endurance and data retention • Available in TSSOP20 package DESCRIPTION The PTN3501 ...

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