DS8024-RJX/V+ Maxim Integrated, DS8024-RJX/V+ Datasheet
DS8024-RJX/V+
Specifications of DS8024-RJX/V+
Related parts for DS8024-RJX/V+
DS8024-RJX/V+ Summary of contents
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... Automated Teller Machines Telecommunications Pay/Premium Television Ordering Information PART TEMP RANGE DS8024-RJX+ -40°C to +85°C DS8024-RJX/V+ -40°C to +85°C DS8024-RRX+ -40°C to +85°C 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. ...
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... Current 5V Cards DD (Current Consumed by DS8024 Only) Active V Current 3V Cards DD (Including 65mA Draw from 3V Card) Active V Current 3V Cards DD (Current Consumed by DS8024 Only) Inactive-Mode Current CLOCK SOURCE Crystal Frequency XTAL1 Operating Conditions External Capacitance for Crystal Internal Oscillator SHUTDOWN TEMPERATURE Shutdown Temperature 2 Continuous Power Dissipation (multilayer board, T TSSOP (derate 14mW/° ...
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RECOMMENDED DC OPERATING CONDITIONS (continued +3.3V +5.0V +25°C, unless otherwise noted.) (Note 1) DD DDA A PARAMETER RST PIN Output Low Voltage Card-Inactive Mode Output Current Output Low Voltage Output High Voltage Rise Time ...
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Smart Card Interface RECOMMENDED DC OPERATING CONDITIONS (continued +3.3V +5.0V +25°C, unless otherwise noted.) (Note 1) DD DDA A PARAMETER DATA LINES (I/O AND I/OIN) I/O I/OIN Falling Edge Delay Pullup Pulse Active Time ...
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... Window End PRES/PRES Debounce Time Note 1: Operation guaranteed -40°C and T A Note 2: IDD_IC measures the amount of current used by the DS8024 to provide the smart card current minus the load. Note 3: Guaranteed by design, but not production tested. Smart Card Interface SYMBOL CONDITIONS ...
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... Smart Card Reset. Card reset output from contact C2. Smart Card Supply Voltage. Decouple to CGND (card ground) with 2 x 100nF or 100 + 220nF capacitors (ESR < 100m ). 18 N.C. No Connection. Unused on the DS8024. CMDVCC 19 Activation Sequence Initiate. Active-low input from host. 20 RSTIN Card Reset Input. Reset input from the host. 21 ...
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... SIGNAL) Figure 2. Voltage Supervisor Behavior Smart Card Interface input pin, instead using the DS8024’s default reset threshold.) The DS8024 can operate from a single supply or a dual supply. The supply pins for the device are and PGND. V DDA to 6.0V, and is the supply for signals that interface with the host controller ...
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... Current to and from the card I/O lines is limited internally to 15mA. The maximum frequency on these lines is 1MHz. The DS8024 powers up with the card interface in the inactive mode. Minimal circuitry is active while waiting for the host to initiate a smart card session. • All card contacts are inactive (approximately 200Ω ...
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... Host: Set RSTIN low between t start. 4) DS8024: RST stays low until t the copy of RSTIN. 5) DS8024: RSTIN has no further effect on CLK after t If the applied clock is not needed, set CMDVCC low with RSTIN low. In this case, CLK starts at t 200ns after the transition on I/O, see Figure 4); after t ...
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Smart Card Interface CMDVCC V CC I/O CLK RSTIN RST I/OIN Figure 4. Activation Sequence CMDVCC RST CLK I Figure 5. Deactivation Sequence 10 200ns ...
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... PRES and output OFF goes low. Stop Mode (Low-Power Mode) The DS8024 (like the TDA8024) does not support a low- power stop mode. For applications requiring low-power support, refer to the DS8113. The DS8024 supports two smart card V and 5V ...
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Smart Card Interface PRES OFF CMDVCC DEBOUNCE V CC Figure 6. Behavior of PRES, OFF, CMDVCC, and V OFF PRES RST CLK I Figure 7. Emergency Deactivation Sequence (Card Extraction) 12 DEBOUNCE DEACTIVATION CAUSED BY CARDS ...
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... I/OIN XTAL1 XTAL2 33pF *PLACE A 100nF CAPACITOR CLOSE TO DS8024 AND PLACE A 220nF CAPACITOR CLOSE TO CARD CONTACT. **SCHEMATIC ASSUMES A NORMALLY CLOSED CONNECTION TO GROUND IN THE SOCKET. INSERTING A CARD BREAKS THE CONNECTION AND PULLS PRES HIGH. Figure 8. Typical Application Diagram Smart Card Interface 100nF +3 ...
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... With all these layout precautions, noise should be kept to an acceptable level and jitter on C3 (CLK) should be less than 100ps. 14 For technical support ic.com/micro. PART DS8024-RJX+ DS8024-RJX/V+ DS8024-RRX+ and DD 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. ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. Maxim Integrated Products Inc. 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 ________________ 15 © 2012 Maxim Integrated Products ...