HI1276Y S E M I C O N D U C T O R 8-Bit 500 MSPS Flash A/D Converter April 1995 Features Description • Differential Linearity Error . . . . . . . . . .±0.5 LSB or Less This is a specification that outlines the mechanical and electrical characteristics for the HI1276Y, 8-bit Flash A/D converter IC, in chip (die) form. • Integral Linearity Error. . . . . . . . . . . . . .±0.7 LSB or Less • Built-In Integral Linearity Compensation Circuit • Ultra High Speed Operation with Maximum Conversion Rate of 500 MSPS (Min) Ordering Information • Low Input Capacitance . . . . . . . . . . . . . . . . . 20pF (Typ) PART NUMBER • Wide Analog Input Bandwidth 300MHz (Min. for Full-Scale Input) HI1276Y TEMPERATURE +25oC PACKAGE Die • Single Power Supply . . . . . . . . . . . . . . . . . . . . . . . .-5.2V • All performance parameters are for packaged devices when supplied by Harris. • Low Power Consumption . . . . . . . . . . . . . . . 2.8W (Typ) • Low Error Rate • Capable of Driving 50Ω Loads Applications • Radar Systems • Communication Systems • Digital Oscilloscopes • Direct RF Down-Conversion Die Metallization Layer CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures. Copyright © Harris Corporation 1995 1 File Number 3958 HI1276Y Functional Block Diagram MINV 35 R1 VRT COMPARATOR 62 VRTS 63 R/2 R2 0 2 OR R 3 OR 1 R 33 D7 (MSB) 2 34 D7 R 31 D6 32 D6 63 VIN1 24 D5 R 56 25 D5 64 57 R 21 D4 65 OUTPUT 22 D4 15 D3 R 16 D3 126 12 D2 R 54 13 D2 127 R3 VRM ENCODE LOGIC R 6 D1 128 7 D1 R 4 D0 (LSB) 129 5 D0 R 191 R 192 VIN2 51 R 52 193 R 254 R VRBS 45 R4 255 R/2 VRB 46 R5 CLK 39 CLK 38 CLOCK DRIVER 1 LINV 2 Specifications HI1276Y Absolute Maximum Ratings TA = +25oC Supply Voltage (AVEE, DVEE) . . . . . . . . . . . . . . . . . . . . -7V to +0.5V Analog Input Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . -2.7 to +0.5V Reference Input Voltage VRT, VRB, VRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AVEE to +0.5V |VRT -VRB | . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V Digital Input Voltage MINV, LINV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4V to +0.5V CLK, CLK, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DVEE to +0.5V |CLK-CLK | . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V VRM Pin Input Current (IVRM) . . . . . . . . . . . . . . . . . . .-3mA to +3mA Digital Output Current (ID0 to ID7, IOR, ID0 to ID7, IOR) . . . . . . . . . . . . . .-30mA to 0mA Storage Temperature Range (TSTG) . . . . . . . . . . . . -65oC to +150oC CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Operating Conditions Supply Voltage AVEE, DVEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5.5V to -4.95V AVEE - DVEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.05V to 0.05V AGND - DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.05V to 0.05V Electrical Specifications Reference Input Voltage VRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.1V to 0.1V VRB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.2V to -1.8V Analog Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . VRB to VRT TA = +25oC, DVEE, AVEE = -5.2V, VRT = 0V, VRB = -2V PARAMETER TEST CONDITIONS MIN MAX UNIT Differential Linearity Error (DNL) (00000000 to 11111111) -0.5 0.5 LSB Integral Linearity Error (INL) (00000000 to 11111111) -0.7 0.7 LSB 8 - Bits Resolution Input Bias Current, LIN VIN = -1.0V 50 830 µA Analog Input Resistance, RIN VIN = -1.0V 35 380 kΩ Resister-String Current, IREF -24 -16 mA Reference Voltage, VRM -1.1 -0.9 V Residual Resistance, R1 0.1 1.2 Ω Residual Resistance, R5 0.1 1.2 Ω Digital Input Current HI, IIH Hi = -0.8V 0 50 µA Digital Input Current LO, IIL Lo = -1.6V -30 30 µA CLK Open Voltage, VOPN CLK = Open -1.45 -1.20 V Leakage (1) D0 to D7, VLEAK I = -10µA -1.0 -0.3 V Leakage (2) D0 to D7, VIN, LINV, MINV, CLK, CLK, ILEAK V = 0.3V -1.0 1.0 µA Digital Output Voltage HI, VOH 50Ω to -2V -1 -0.6 V Digital Output Voltage LO, VOL 50Ω to -2V -2 -1.6 V -640 -400 mA Supply Current, IEE 3 HI1276Y Timing Diagram TDS ANALOG IN N+2 N+1 TPW1 TPW0 CLK CLK DIGITAL OUT N-1 20% 80% N TR TOD 80% N+1 20% TF FIGURE 1. Pad Descriptions PAD NUMBER SYMBOL 1 35 LINV I/O STANDARD VOLTAGE LEVEL I ECL EQUIVALENT CIRCUIT DESCRIPTION Polarity selection for LSBs (refer to the A/D Output Code Table.) Pulled low when left open. DGND1 9 19 20 29 MINV Polarity selection for MSB (refer to the A/D Output Code Table). Pulled low when left open. R R LINV 1 OR MINV 35 R -1.3V R 62 63 VRT VRTS I O 0V 0V 54 VRM I VRB/2 45 VRBS O -2V 46 VRB I -2V 8 14 23 30 DVEE Analog reference voltage (top) (0V typ.). VRT 62 VRTS 63 R2 R1 Reference voltage sense (top). R/2 Reference voltage mid point. Can be used for linearity compensation. R Reference voltage sense (bottom). VRM 54 R3 R R VRBS 45 R4 R/2 R5 VRB 46 4 TO COMPARATORS Analog reference voltage (bottom). HI1276Y Pad Descriptions (Continued) PAD NUMBER SYMBOL 51, 52 VIN2 I/O STANDARD VOLTAGE LEVEL I VRTS to VRBS EQUIVALENT CIRCUIT VIN1 AGND DESCRIPTION 49, 50, 53, 55, 58, 59 Analog input. All of the pins must be wired externally. 56 TO COMP. 0 TO 127 57 51 128 TO 255 52 VIN2 39 CLK 38 CLK I ECL CLK Input DGND1 9 Complementary CLK input. Pulled down to -1.3V when left open. 19 20 R 29 R R CLK R 39 CLK 38 8 14 R 23 R 30 DVEE 33, 34 D7, D7 O ECL DGND2 31, 32 D6, D6 24, 25 D5, D5 21, 22 D4, D4 15, 16 D3, D3 12, 13 D2, D2 6, 7 D1, D1 4, 5 D0, D0 MSB and complementary MSB data output. D1 to D6: Data output D1 to D6: Complementary data output DI DI 2, 3 OR, OR DVEE 5 8 14 23 30 LSB data complementary output LSB data output. Overrange and complementary overrange output. HI1276Y Pad Descriptions (Continued) PAD NUMBER SYMBOL I/O STANDARD VOLTAGE LEVEL - -5.2V EQUIVALENT CIRCUIT DESCRIPTION 40, 41, 47, 48, 60, 61, 65, 66 AVEE 49, 50, 53, 55, 58, 59 AGND 8, 14, 23, 30 DVEE 9, 19, 20, 29 DGND1 10, 11, 17, 18, 27, 28 DGND2 (Note 1) 36, 37, 42, 43, 44, 64 NC No connect pins. It is recommended to wire these pins to AGND. 45 NC No connect pin. It is recommended to wire these pins to DGND. AGND DGND1 49 50 53 9 19 55 58 59 20 29 Analog supply. Internally connected to DVEE (resistance: 4Ω to 6Ω). DGND2 11 17 18 28 0V Analog ground. INTERNAL ANALOG CIRCUIT -5.2V INTERNAL DIGITAL CIRCUIT Digital supply. Internally connected to AVEE (resistance: 4Ω to 6Ω). 4Ω TO 6Ω 0V 40 41 47 8 14 48 60 61 23 30 0V AVEE D1 D1 Digital ground. Digital ground for output drive. DVEE NOTE: 1. VRT = VRTS = 0V, VRM = -1V or open, VRB = VRBS = -2V A/D OUTPUT CODE TABLE MINV 1, LINV 1 VIN (NOTE 1) STEP 0V OR D7 D0 0, 1 OR D0 OR D7 D0 OR D0 D7 000 • • • • • 00 0 100 • • • • • 00 0 011 • • • • • 11 0 111 • • • • • 11 0 1 000 • • • • • 00 1 100 • • • • • 00 1 011 • • • • • 11 1 111 • • • • • 11 1 1 000 • • • • • 01 1 100 • • • • • 01 1 011 • • • • • 10 1 111 • • • • • 10 • • • • • • • • • 127 1 011 • • • • • 11 1 111 • • • • • 11 1 000 • • • • • 00 1 100 • • • • • 00 128 1 100 • • • • • 00 1 000 • • • • • 00 1 111 • • • • • 11 1 011 • • • • • 11 • • • -2V D7 0, 0 0 • • • -1V 1, 0 • • • • • • • • • 254 1 111 • • • • • 10 1 011 • • • • • 10 1 100 • • • • • 01 1 000 • • • • • 01 255 1 111 • • • • • 11 1 011 • • • • • 11 1 100 • • • • • 00 1 000 • • • • • 00 1 111 • • • • • 11 1 011 • • • • • 11 1 100 • • • • • 00 1 000 • • • • • 00 6 HI1276Y Pad Coordinates PAD COORDINATE 1 PAD NO. PAD NAME X [µm] Y [µm] PAD NO. PAD NAME X [µm] Y [µm] PAD NO. PAD NAME X [µm] Y [µm] 1 LINV 2198.40 4490.40 23 DVEE 209.60 1730.40 45 VRBS 3545.60 215.20 2 OR 2008.00 4490.40 24 D5 209.60 1540.00 46 VRB 3736.00 215.20 3 OR 1817.60 4490.40 25 D5 209.60 1349.60 47 AVEE 3926.40 215.20 4 D0 1627.20 4490.40 26 209.60 1159.20 48 AVEE 4075.20 215.20 5 D0 1436.80 4490.40 27 DGND2 209.60 588.00 49 AGND 4377.60 215.20 6 D1 1246.40 4490.40 28 DGND2 209.60 362.40 50 AGND 4377.60 1292.00 7 D1 1056.00 4490.40 29 DGND1 484.80 215.20 51 VIN2 4377.60 1570.40 8 DVEE 865.60 4490.40 30 DVEE 675.20 215.20 52 VIN2 4377.60 1720.80 9 DGND1 675.20 4490.40 31 D6 865.60 215.20 53 AGND 4377.60 1999.20 10 DGND2 388.80 4490.40 32 D6 1056.00 215.20 54 VRM 4377.60 2352.80 11 DGND2 209.60 4311.20 33 D7 1246.40 215.20 55 AGND 4377.60 2698.40 12 D2 209.60 3730.40 34 D7 1436.80 215.20 56 VIN1 4377.60 2984.80 13 D2 209.60 3540.00 35 MINV 1627.20 215.20 57 VIN1 4377.60 3135.20 14 DVEE 209.60 3349.60 36 1817.60 215.20 58 AGND 4377.60 3413.60 15 D3 209.60 3159.20 37 2008.00 215.20 59 AGND 4377.60 4490.40 16 D3 209.60 2968.80 38 CLK 2198.40 215.20 60 AVEE 4075.20 4490.40 17 DGND2 209.60 2778.40 39 CLK 2388.80 215.20 61 AVEE 3926.40 4490.40 18 DGND2 209.60 2629.60 40 AVEE 2579.20 215.20 62 VRT 3736.00 4490.40 19 DGND1 209.60 2458.40 41 AVEE 2728.00 215.20 63 VRTS 3545.60 4490.40 20 DGND1 209.60 2301.60 42 2974.40 215.20 64 3164.80 4490.40 21 D4 209.60 2111.20 43 3164.80 215.20 65 AVEE 2728.00 4490.40 22 D4 209.60 1920.80 44 3355.20 215.20 66 AVEE 2579.20 4490.40 7 HI1276Y Pad Coordinates (Continued) PAD COORDINATE 2 PAD NO. PAD NAME X [µm] Y [µm] PAD NO. PAD NAME X [µm] Y [µm] PAD NO. PAD NAME X [µm] Y [µm] 1 LINV 2158.40 4450.40 23 DVEE 169.60 1690.40 45 VRBS 3505.60 175.20 2 OR 1968.00 4450.40 24 D5 169.60 1500.00 46 VRB 3696.00 175.20 3 OR 1777.60 4450.40 25 D5 169.60 1309.60 47 AVEE 3886.40 175.20 4 D0 1587.20 4450.40 26 169.60 1119.20 48 AVEE 4035.20 175.20 5 D0 1396.80 4450.40 27 DGND2 169.60 548.00 49 AGND 4337.60 175.20 6 D1 1206.40 4450.40 28 DGND2 169.60 322.40 50 AGND 4337.60 1252.00 7 D1 1016.00 4450.40 29 DGND1 444.80 175.20 51 VIN2 4337.60 1530.40 8 DVEE 825.60 4450.40 30 DVEE 635.20 175.20 52 VIN2 4337.60 1680.80 9 DGND1 635.20 4450.40 31 D6 825.60 175.20 53 AGND 4337.60 1959.20 10 DGND2 348.80 4450.40 32 D6 1016.00 175.20 54 VRM 4337.60 2312.80 11 DGND2 169.60 5271.20 33 D7 1206.40 175.20 55 AGND 4337.60 2658.40 12 D2 169.60 3690.40 34 D7 1396.80 175.20 56 VIN1 4337.60 2944.80 13 D2 169.60 3500.00 35 MINV 1587.20 175.20 57 VIN1 4337.60 3095.20 14 DVEE 169.60 3309.60 36 1777.60 175.20 58 AGND 4337.60 3373.60 15 D3 169.60 3119.20 37 1968.00 175.20 59 AGND 4337.60 4450.40 16 D3 169.60 2928.80 38 CLK 2158.40 175.20 60 AVEE 4035.20 4450.40 17 DGND2 169.60 2738.40 39 CLK 2348.80 175.20 61 AVEE 3886.40 4450.40 18 DGND2 169.60 2589.60 40 AVEE 2539.20 175.20 62 VRT 3696.00 4450.40 19 DGND1 169.60 2418.40 41 AVEE 2688.00 175.20 63 VRTS 3505.60 4450.40 20 DGND1 169.60 2261.60 42 2934.40 175.20 64 3124.80 4450.40 21 D4 169.60 2071.20 43 3124.80 175.20 65 AVEE 2688.00 4450.40 22 D4 169.60 1880.80 44 3315.20 175.20 66 AVEE 2539.20 4450.40 Harris Semiconductor products are sold by description only. Harris Semiconductor reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Harris is believed to be accurate and reliable. However, no responsibility is assumed by Harris or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Harris or its subsidiaries. Sales Office Headquarters For general information regarding Harris Semiconductor and its products, call 1-800-4-HARRIS UNITED STATES Harris Semiconductor P. O. Box 883, Mail Stop 53-210 Melbourne, FL 32902 TEL: 1-800-442-7747 (407) 729-4984 FAX: (407) 729-5321 EUROPE Harris Semiconductor Mercure Center 100, Rue de la Fusee 1130 Brussels, Belgium TEL: (32) 2-724-2111 S E M I C O N D U C T O R 8 ASIA Harris Semiconductor PTE Ltd. No. 1 Tannery Road Cencon 1, #09-01 Singapore 1334 TEL: (65) 748-4200 FAX: (65) 748-0400