CT1469-2 MIL-STD-1397 Type E 10MHz Transceiver Features CIRCUIT TECHNOLOGY • • • • • • • • Low Level ±0.65V output Optional transformer isolation Internally set threshold Operates with ±5 volt supply Matched to 50 ohms system impedance power on or off Bipolar construction for radiation resistance Power management Interfaces directly to the CT1496-2 (Manchester Encoder) and CT1508-2 (Manchester Decoder) • MIL-PRF-38534 compliant devices available www.aeroflex.com A E RO E I NC . ISO 9001 S C EX L A B FL RTIFIED General Description CT1469-2 is a hybrid microcircuit which incorporates a MIL-STD 1397 Type E 10MHz transceiver in a single package. The transmitter section accepts 10MHZ serial Manchester encoded TTL NRZ data from the encoder and transformer couples a bipolar ±0.65 volt (nominal) signal level to a 50 ohm triaxial cable for transmission up to 1000 ft. The CT1469-2 receiver accepts a bipolar signal level and outputs an NRZ TTL serial data or SIS / SOS signal to the decoder (CT1508-2). Aeroflex Circuit Technology is a 80,000 square foot MIL-PRF-38534 certified facility in Plainview, N.Y. Power Conditioner Drive 2 Linear Amp Xfmr Sec / RX Data Input TX Data Input Xfmr Sec Xfmr Primary / TX Data Output TX Inhibit Xfmr Primary / TX Data Output TX Data Input Xfmr Sec Linear Amp Xfmr Sec / RX Data Input +5V Drive 1 Level Detector RX Data -5V Receiver Strobe Digital and Analog Gnd Level Detector RX Data Figure 1 – Block Diagram eroflex Circuit Technology – Data Bus Modules For The Future © SCDCT1469 REV A 3/22/00 Introduction The specification detailed herein encompasses a hybrid transceiver designed to meet the requirements of STANAG 4153 and Type E requirements of MIL-STD-1397. The transceiver is transformer coupled to the specified triaxial cable and is available compliant to MIL-PRF 38534. Electrical Requirements See Figure 1 for block diagram. All input and output signals are manchester encoded. The transformer is internal to the package with its use being optional. Aeroflex Circuit Technology 2 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 Absolute Maximum Ratings Parameter Rating Units Supply Voltage Vcc VEE +0.5 to +7.0 -0.5 to -7.0 V V Input Voltage Digital VIN(D) Receiver VIN(R) -0.5 to +5.5 ±2 V V 2.0 W Storage Temperature Range TSTG -60 to +150 °C Operating Case Temperature Range TC -55 to +100 °C Power Dissipation PD DC Electrical Characteristics (VCC = 5V ±10%, VEE = -5V ±10%, TC = -55 °C to +100°C, unless otherwise specified) SYMBOL PARAMETER LIMIT RX DATA (7), RX DATA (8) VOH Logic High Output Voltage 2.4V min @ IOH = -80µA, VCC = +4.5V, VEE = -4.5V VOL Logic Low Output Voltage 0.4V max @ IOL = 3.2mA, VCC = +4.5V, VEE = -4.5V TX DATA INPUT (22), TX DATA INPUT (24) 1/ IIH Logic High Input Current 50µA max @ VIH = 2.4V, VCC = +5.5V, VEE = -5.5V IIL Logic Low Input Current -2mA max @ VIL = 0.4V, VCC = +5.5V, VEE = -5.5V TX INHIBIT INPUT (23) 1/ IIH Logic High Input Current 100µA max @ VIH = 2.4V, VCC = +5.5V, VEE = -5.5V IIL Logic Low Input Current -4mA max @ VIL = 0.4V, VCC = +5.5V, VEE = -5.5V Aeroflex Circuit Technology 3 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 DC Electrical Characteristics (con’t) (VCC = 5V ±10%, VEE = -5V ±10%, TC = -55 °C to +100°C, unless otherwise specified) SYMBOL PARAMETER LIMIT RECEIVER STROBE (21) 1/ IIH Logic High Input Current 40µA max @ VIH = 2.4V, VCC = +5.5V, VEE = -5.5V IIL Logic Low Input Current -3mA max @ VIL = 0.4V, VCC = +5.5V, VEE = -5.5V Power Supply Currents STANDBY ICC IEE VCC = +5.5V, VEE = -5.5V, V23 = GND, V26 = -VEE 90mA max 70mA max 100% Transmission ICC IEE VCC = +5.5V, VEE = -5.5V, V23 = 2.4V min, fIN = 10MHZ 150mA max 125mA max Notes: 1/ Maximum total capacitance loads allowable on these pins are: DATA, DATA TX INHIBIT RX STROBE 10 pF max 15 pF max 45 pF max Transmitter Timing Characteristics (VCC = 5V ±10%, VEE = -5V ±10%, TC = -55 °C to +100°C, See Figure 2 and 3, unless otherwise specified) Symbol Parameter / Condition Min Max Unit VA Output amplitude 1 0.45 0.8 V T Pulse period 97 103 nsec TS Width of 1ST positive half bit 45 65 nsec TE Width of last half bit 47 65 nsec T/2 Half pulse period 47 53 nsec TR Pulse rise time 0.05 0.3 V/nsec TF Pulse fall time 0.05 0.3 V/nsec Aeroflex Circuit Technology 4 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 Transmitter Timing Characteristics (con’t) (VCC = 5V ±10%, VEE = -5V ±10%, TC = -55 °C to +100°C, See Figure 2 and 3, unless otherwise specified) Symbol Parameter / Condition Min Max Unit VS Voltage overshoot - 100 mV VUS Voltage undershoot - 100 mV TOS Offset Voltage – 2T after last zero crossing - 30 mV TDTX Delay from data input to transformer secondary - 50 nsec VN Transmitter noise output with transmitter inhibited - 35 mV Zo Output impedance 45 55 Ω Inhibit External-TTL low inhibits outputs Internal-Equal input signals inhibit output 1. Pins 25 and 27 are not used for MIL-STD-1397 Type E nominal output signal levels. Receiver Timing Characteristics (VCC = 5V ±10%, VEE = -5V ±10%, TC = -55 °C to +100°C, See Figure 4, unless otherwise specified) Symbol Parameter / Condition Min Max Unit VIN Input signal to receiver ±0.22 ±0.88 VPK VCM Common Mode Rejection DC to 1.0MHz 2.0MHZ to 20MHz - 20 5 VPK-TO-PK VPK-TO-PK VT Signal rejection No response to single ended signals - 10-9 ±0.13 Volts-Seconds VPK TD1 Delay from 50% point of positive input signal to 50% point of data output - 30 nsec TD2 Delay from 50% point of negative input signal to 50% point of data output - 30 nsec VO Output signal Complementary TTL drive capability of 2 TTL Loads 2.4 - 0.4 V V High Low TRSU To input data, setup time Receiver Strobe Enable 5 - nsec TRSH Receiver Strobe hold time 20 - nsec Strobe Strobe – Forces outputs low, logic low inhibits reception Aeroflex Circuit Technology 5 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 Output Function Table D D TX INH OUTPUT D=D D=D X Inactive X X 0 Inactive Active Active 1 Active Aeroflex Circuit Technology 6 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 TX Input Requirements TRISE, TFALL < 5 nsec P = 100 ±2 nsec PH = 50 ±2 nsec P TX Data Input PH TX Data Input TX Inhibit TDTX 2T T 90% 90% VA TOS TE VS TX Output 50% TR TF VUS TS 10% T 10% T/2 Figure 2 – Transmitter Logic Waveforms Shaded Area is acceptable region of operation 100 ±3nsec 0.80 50 ±3nsec VA Max 0.3 V/nSec 0.45 Volts VB Min 0.30 0.05 V/nSec 0 -0.40 -0.45 -0.80 Figure 3 – Transmitter Waveshape Envelope Aeroflex Circuit Technology 7 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 +.6 V 50% Line to Line Input 50% 0V TD 1 50% –.6 V TD 1 Data Output T D2 VOH 50% VOL T D2 Data Output VOH 50% VOL TRSH 3V Strobe 0V TRSU Figure 4 – Receiver Logic Waveforms Aeroflex Circuit Technology 8 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 Pin #’s Functions Pin #’s Functions 1 Vee (-5V) 16 XFMR PRIMARY / TX DATA OUTPUT 2 NC 17 XFMR SEC 3 NC 18 XFMR SEC / RX DATA INPUT 4 NC 19 NC 5 DIGITAL GND 20 NC 6 VCC (+5V) 21 RECEIVER STROBE 7 RX DATA OUTPUT 22 TX DATA INPUT 8 RX DATA OUTPUT 23 TX INHIBIT 9 NC 24 TX DATA INPUT 10 NC 25 DRIVE 2 11 NC 26 POWER CONDITIONER 12 CASE GND (ANALOG) 27 DRIVE 1 13 XFMR SEC / RX DATA INPUT 28 NC 14 XFMR SEC 29 NC 15 XFMR PRIMARY / TX DATA OUTPUT 30 NC NC = No Connection Aeroflex Circuit Technology 9 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700 CIRCUIT TECHNOLOGY Ordering Information Model Number Package CT1469-2 Flat Package Flat Package Outline 1.590 MAX 1.400 (15 Leads / Side on .050 centers) .175 MAX 1.015 MAX Lead 1 & ESD Designator .450 MIN .015 ±.003 .010 ±.002 .100 TYP Specifications subject to change without notice. Aeroflex Circuit Technology 35 South Service Road Plainview New York 11803 Aeroflex Circuit Technology Telephone: (516) 694-6700 FAX: (516) 694-6715 Toll Free Inquiries: 1-(800)THE-1553 10 SCDCT1469 REV A 3/22/00 Plainview NY (516) 694-6700