ST8024LACDR STMicroelectronics

ST8024L Smartcard interface Datasheet production data Features Designed to be compatible with the NDS conditional access system (except ST8024LTR) ISO 7816, GSM11.11 and EMV 4.2 (payment SO-28 TSSOP-20 TSSOP-28 systems) compatible IC card interface 3 V or 5 V supply for the ST8024L device (V ) DD Enhanced ESD protection on card side (>6 kV) Three specifically protected half-duplex bi-directional buffered I/O lines to card contacts 26 MHz integrated crystal oscillator C4, C7 and C8 Built-in debounce on card presence contacts Step-up converter for V generation CC One multiplexed status signal OFF separately powered by a 5 V 20% supply Non-inverted control of RST via pin RSTIN (V and PGND) DDP Clock generation for cards up to 20 MHz 1.8 V 6.5%, 3 V or 5 V 5% regulated card (divided by 1, 2, 4 or 8 through CLKDIV1 and supply voltage (V ) with appropriate CC CLKDIV2 signals) with synchronous frequency decoupling has the following capabilities: changes I < 80 mA at V = 4.75 to 6.5 V CC DDP Supply supervisor for spike-killing during Handles current spikes of 40 nA up power-on and power-off and power-on reset to 20 MHz (threshold fixed internally or externally by Controls rise and fall times a resistor divider) Filtered overload detection at ~120 mA Thermal and short-circuit protection on all card Applications contacts Smartcard readers for set-top boxes Automatic activation and deactivation sequences initiated by software or by IC card readers for banking hardware in the event of a short-circuit, card Identification, pay TV take-off, overheating, V or V dropout DD DDP Table 1. Device summary PORADJ/ Temperature Package Order code Package Packaging range top mark 1.8 V function (1) ST8024LCDR PORADJ 25 to 85 C SO-28 (tape and reel) 1000 parts per reel ST8024LC (1) ST8024LCTR PORADJ 25 to 85 C TSSOP-28 (tape and reel) 2500 parts per reel ST8024LC (1) ST8024LACDR 1.8 V 25 to 85 C SO-28 (tape and reel) 1000 parts per reel ST8024LAC ST8024LTR 1.8 V 25 to 85 C TSSOP-20 (tape and reel) 2500 parts per reel ST8024L (1) ST8024LACTR 1.8 V 25 to 85 C TSSOP-28 (tape and reel) 2500 parts per reel ST8024LAC 1. Certified by NDS. May 2012 Doc ID 17709 Rev 5 1/35 This is information on a product in full production. www.st.com 1Contents ST8024L Contents 1 Description . 5 2 Diagram . 6 3 Pin configuration 7 4 Maximum ratings 9 5 Electrical characteristics 10 6 Functional description 18 6.1 Power supply 18 6.2 Voltage supervisor 18 6.2.1 Without external divider on pin PORADJ 18 6.2.2 With an external divider on pin PORADJ 19 6.2.3 Application examples . 19 6.3 Clock circuitry (only on SO-28 and TSSOP-28 packages) 20 6.4 I/O transceivers 21 6.5 Inactive mode 21 6.6 Activation sequence . 21 6.7 Active mode . 23 6.8 Deactivation sequence . 23 6.9 V generator . 24 CC 6.10 Fault detection . 25 6.11 V selection settings . 26 CC 7 Applications . 27 8 Package mechanical data 28 9 Revision history . 34 2/35 Doc ID 17709 Rev 5