Rainbow Electronics DS8024 - Manual

DS8024
Smart Card Interface
________________________________________________________________ Maxim Integrated Products 1
Rev 1; 8/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The DS8024 smart card interface IC is a low-cost, analog
front-end for a smart card reader, designed for all ISO
7816, EMV*, and GSM11-11 applications. The DS8024 is
a pin-for-pin drop-in replacement for the NXP TDA8024
and is offered in 28-pin TSSOP and SO packages.
Applications requiring support for 1.8V smart cards or
requiring low power should consider the DS8113, which
achieves lower active- and stop-mode power with mini-
mal changes to application hardware and software.
Applications
Set-Top Box Conditional Access
Access Control
Banking Applications
POS Terminals
Debit/Credit Payment Terminals
PIN Pads
Automated Teller Machines
Telecommunications
Pay/Premium Television
Features
♦ Analog Interface and Level Shifting for IC Card
Communication
♦ 8kV (min) ESD (IEC) Protection on Card Interfaces
♦ Internal IC Card Supply-Voltage Generation:
5.0V ±5%, 80mA (max)
3.0V ±8%, 65mA (max)
♦ Automatic Card Activation and Deactivation
Controlled by Dedicated Internal Sequencer
♦ I/O Lines from Host Directly Level Shifted for
Smart Card Communication
♦ Flexible Card Clock Generation, Supporting
External Crystal Frequency Divided by 1, 2, 4, or 8
♦ High-Current, Short-Circuit and High-Temperature
Protection
Ordering Information
Note: Contact the factory for availability of other variants and
package options.
+
Denotes a lead-free/RoHS-compliant package.
*EMV is a trademark owned by EMVCo LLC. EMV Level 1 library and hardware reference design available. Contact factory for details.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be
simultaneously available through various sales channels. For information about device errata, go to:
www.maxim-ic.com/errata .
PART TEMP RANGE PIN-PACKAGE
DS8024-RJX+ -40 °C to +85°C 28 TSSOP
DS8024-RRX+ -40
°C to +85°C 28
SO
Selector Guide appears at end of data sheet.
PGND
28
27
26
25
24
23
22
AUX2IN
AUX1IN
I/OIN
XTAL2
TOP VIEW
DS8024
XTAL1
OFF
GND
21 V
DD
20 RSTIN
19 CMDVCC
18 N.C.
17 V CC
16 RST
15 CLK
5V/3V
CLKDIV2
CLKDIV1
CP1
V DDA
V
UP
PRES
PRES
I/O
AUX2
AUX1
4
1
2
3
5
6
7
8
9
10
11
12
13
14 CGND
CP2
SO/TSSOP
Pin Configuration