MRD520A Datasheet, PDF (3/9 Pages) List of Unclassifed Manufacturers – 1.2um CMOS integrated circuit for purpose of amplification

Uniform Industrial Corp.
MRD520A
Dual Channel F2F Decoder IC
1. DESCRIPTION
The MRD520A is a 1.2um CMOS integrated circuit for purpose of amplification and
decoding for F2F magnetic stripe encoding card reader.
2. FEATURES
l Integrated Amplification Circuitry for magnetic head signals.
l Number of start bits (4/8 bits) to ignore selectable.
l Both output polarity supported.
l Adjustable read data output clock pulse width.
l Dual channel support for 75/210 BPI recording density.
l Magnetic head data input frequency range from 300 bit/sec to 12600 bit/sec.
l Idle mode controllable by external hardware or micro-processor.
3. APPLICATIONS
l Magnetic stripe card reader.
l POS keyboard.
PIN Configuration (Top View)
GND ¹
SEN1N 2
SEN1P 3
OP1OUT 4
OP2NIN 5
OP2OUT 6
OP3OUT 7
OP6OUT 8
OP5OUT 9
OP5NIN 10
OP4OUT 11
SEN2P 12
SEN2N ¹³
VREFIN 14
28 _RES
27 ADJ1
26 CLS
25 OUT1
24 OUT1X
23 OCK1
22 IBS
21 _OSCO
20 OSCI
19 OCK2
18 OUT2X
17 OUT2
16 _ADJ2
15 VDD
OUTLINE SOP 28 PIN
Page : ₁
October, 1997