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PTN3501 Datasheet

Maintenance and control device

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INTEGRATED CIRCUITS
PTN3501
Maintenance and control device
Product specification
Supersedes data of 2000 Nov 22
2001 Jan 17
Philips
Semiconductors


NXP Semiconductors Electronic Components Datasheet

PTN3501 Datasheet

Maintenance and control device

No Preview Available !

Philips Semiconductors
Maintenance and control device
Product specification
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 is a general purpose maintenance and control device.
It features an on-board E2PROM that can be used to store error
codes or board manufacturing data for read–back by application
software for diagnostic purposes.
The eight quasi bidirectional data pins can be independently
assigned as inputs or outputs to monitor board level status or
activate indicator devices such as LEDs.
The PTN3501 has six address pins allowing up to 64 devices to
share the common two wire I2C software protocol serial data bus.
The PTN3501 supports live insertion to facilitate usage in removable
cards on backplane systems.
The PTN3501 is an alternative to the functionally similar PTN3500
for systems where a high number of devices are required to share
the same I2C-bus without need for an additional I2C-bus I/O
expander.
PIN CONFIGURATION
A0 1
A1 2
A2 3
P0 4
P1 5
P2 6
P3 7
INT 8
A5 9
VSS 10
PTN3501
20 VDD
19 SDA
18 SCL
17 WC
16 P7
15 P6
14 P5
13 P4
12 A3
11 A4
SW00657
Figure 1.
PIN DESCRIPTION
PIN NUMBER SYMBOL
1,2,3,9,11,12
A0:5
4,5,6,7
P0:3
10
13,14,15,16
VSS
P4:7
17 WC
8 INT
18 SCL
19 SDA
20 VDD
NAME AND FUNCTION
Address Lines
Quasi–bidirectional I/O pins
Ground
Quasi–bidirectional I/O pins
Write Control Pin. Should be
tied LOW.
Interrupt Pin
I2C Serial Clock
I2C Serial Data
Supply Voltage
ORDERING INFORMATION
Package
Type number
Name
Description
PTN3501DH TSSOP20
Plastic thin shrink small-outline package; 20 leads; body width 4.4 mm
Version
SOT360-1
FUNCTIONAL DIAGRAM
INT
SCL
SDA
A5:0
I2C
CONTROL
8-BIT
I/O PORT
P7:0
2001 Jan 17
WC
E2PROM
256 × 8
Figure 2.
2
SW00647
853-2227 25436


Part Number PTN3501
Description Maintenance and control device
Maker NXP
Total Page 15 Pages
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