DS8024
Smart Card Interface
General Description
Features
The DS8024 smart card interface IC is a low-cost, analog
front-end for a smart card reader, designed for all ISO
o Analog Interface and Level Shifting for IC Card
Communication
®
7816, EMV , and GSM11-11 applications. The DS8024
o
8ꢀk ꢁminꢂ ꢃSD ꢁIꢃCꢂ ꢄrotection on Card
Interfaces
is a pin-for-pin drop-in replacement for the NXP
TDA8024 and is offered in 28-pin TSSOP and SO pack-
ages.
o Internal IC Card Supply-koltage Generation:
5.0k 5ꢅ, 80mA ꢁmaxꢂ
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.
3.0k 8ꢅ, 65mA ꢁmaxꢂ
o Automatic Card Activation and Deactivation
Controlled by Dedicated Internal Sequencer
o I/O Lines from Host Directly Level Shifted for
Applications
Set-Top Box Conditional Access
Access Control
Smart Card Communication
o Flexible Card Clocꢀ Generation, Supporting
ꢃxternal Crystal Frequency Divided by 1, 2, 4, or 8
Banking Applications
o High-Current, Short-Circuit and High-Temperature
POS Terminals
ꢄrotection
Debit/Credit Payment Terminals
PIN Pads
Pin Configuration
Automated Teller Machines
Telecommunications
TOP VIEW
Pay/Premium Television
CLKDIV1
CLKDIV2
5V/3V
1
2
3
4
5
6
7
8
9
28 AUX2IN
27 AUX1IN
26 I/OIN
25 XTAL2
24 XTAL1
23 OFF
Ordering Information
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 TSSOP
28 TSSOP
28 SO
PGND
DS8024-RJX+
DS8024-RJX/V+
DS8024-RRX+
CP2
V
DDA
DS8024
CP1
22 GND
Note: Contact the factory for availability of other variants and
package options.
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive-qualified part.
V
UP
21 V
DD
PRES
20 RSTIN
19 CMDVCC
18 N.C.
PRES 10
I/O 11
AUX2 12
AUX1 13
CGND 14
17 V
CC
16 RST
15 CLK
Selector Guide appears at end of data sheet.
SO/TSSOꢄ
EMV is a registered trademark of 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.maximintegrated.com/errata.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-6220; Rev 4; 4/13
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