STV7710WAF STMICROELECTRONICS [STMicroelectronics], STV7710WAF Datasheet
STV7710WAF
Related parts for STV7710WAF
STV7710WAF Summary of contents
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Features ■ 96 outputs VFD driver ■ absolute maximum supply ■ 3.3V/5V compatible logic ■ -40/30mA source/sink output MOS ■ -50/50mA source/sink output diode ■ 1-bit data bus (40 MHz) ■ BCD process ■ Packaging: die form Description ...
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Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STV7710 1 Block diagram Figure 2. STV7710 block diagram DATA_A STB POC BLK VSSP CLK 96bit Shift register P1 Latch Q1 Q2 Q95 & & & & & & STV7710 OUT1 Block diagram F/R TEST DATA_B P96 VSSLOG Q96 VSSSUB ...
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Die pin assignment 2 Die pin assignment Figure 3. Die pin assignment 4/21 OUT55 OUT56 OUT57 OUT95 OUT96 VPP VPP VSSP VSSP 2.07 OUT42 OUT41 OUT40 y 0/0 x OUT2 OUT1 VPP VPP VSSP VSSP STV7710 ...
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STV7710 3 Mechanical specification 3.1 Alignment marks Figure 4. Alignment marks 3.2 Pads specification The reference is the centre of the die (x=0, y=0) Table 1. Top side from left to right Name OUT54 OUT53 OUT52 OUT51 OUT50 OUT49 OUT48 ...
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Mechanical specification Table 2. Bottom side from right to left Name VSSLOG CLK F/R POC VCC STB BLK DATA_A DATA_B VSSSUB TEST VSSLOG Table 3. Right side from top to bottom Name OUT42 OUT41 OUT40 OUT39 OUT38 OUT37 OUT36 OUT35 ...
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STV7710 Table 3. Right side from top to bottom (continued) Name OUT22 OUT21 OUT20 OUT19 OUT18 OUT17 OUT16 OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8 OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 VPP VPP VSSP VSSP Centre: X Centre: ...
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Mechanical specification Table 4. Left side from bottom to top Name VSSP VSSP VPP VPP OUT96 OUT95 OUT94 OUT93 OUT92 OUT91 OUT90 OUT89 OUT88 OUT87 OUT86 OUT85 OUT84 OUT83 OUT82 OUT81 OUT80 OUT79 OUT78 OUT77 OUT76 OUT75 OUT74 OUT73 OUT72 ...
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STV7710 Table 4. Left side from bottom to top (continued) Name OUT65 OUT64 OUT63 OUT62 OUT61 OUT60 OUT59 OUT58 OUT57 OUT56 OUT55 Centre: X Centre: Y -887.61 1019.74 -887.61 1122.93 -887.61 1226.12 -887.61 1329.31 -887.61 1432.50 -887.61 1535.69 -887.61 1638.88 ...
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Circuit description 4 Circuit description 4.1 Pin description Table 5. STV7710 pin description Symbol OUT(01-96) VSSP VPP BLK POC F/R VCC VSSLOG VSSSUB CLK STB DATA_A DATA_B TEST 4.2 Data bus configuration Table 6. STV7710 data bus configuration F/R Input ...
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STV7710 4.3 Description STV7710 includes all the logic and power circuits necessary to drive electrodes of a vacuum fluorescent display (VFD). Binary values of each pixel of the displayed line are loaded into the shift register DATA_A/B data bus. Data ...
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Absolute maximum ratings 5 Absolute maximum ratings Table 9. Absolute maximum ratings Symbol V Logic supply range CC V Driver supply range PP V Logic input voltage range IN I Driver output current POUT Tjmax Maximum junction temperature T Storage ...
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STV7710 6 Electrical characteristics ( Vpp = otherwise specified) Table 10. Electrical characteristics Symbol Supply V Logic supply voltage CC I Logic supply current CC I Logic dynamic supply current ( CCL I ...
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AC timing requirements 7 AC timing requirements 5.5 V, Tamb = -20 °C to +85 °C, input signals max leading edge & trailing CC edge (tr, tf ns. Table 11. AC timing requirements ...
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STV7710 8 AC timing characteristics 0.2 Vcc, V ILMAX Table 12. AC timing characteristics Symbol Delay of power output change after CLK transition t PHL1 - high ...
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AC timing characteristics Figure 5. AC characteristics waveform 50% CLK DATA_A t PHL4 DATA_B t t STB PLH4 STB 50% 50% t PHL2 OUTn t PLH2 (POC=”L”) BLK OUTn 16/21 t CLK t t WHCLK WLCLK 50% t SDAT 50% ...
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STV7710 Figure 6. Test configuration V V PP= SSP V SSP Output sinking current as positive value, sourcing current as negative value Figure 7. Zoom for OUTn showing DOUTH DOUTH and OUT t F ...
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Input/ouput schematics 9 Input/ouput schematics Figure 8. CLK, STB, F/R, POC, BLK inputs V CC CLK, STB F/R, POC, BLK, GNDSUB Figure 10. DATA_A, DATA_B V CC DATA_A DATA_B V CC GNDSUB 18/21 Figure 9. Test pin V CC TEST ...
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STV7710 10 Thermal characteristics STV7710 can be exposed to high temperatures during the manufacturing of the VFD module (display sealing). STV7710 is qualified for a maximum storage temperature of 475°C during 30 minutes following the thermal profile described in Figure ...
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Ordering information 11 Ordering information Table 13. Order codes Part number STV7710 STV7710/BMP STV7710/WAF STV7710/WP 12 Revision history Table 14. Document revision history Date 24-Mar-2004 30-Apr-2004 11-Jul-2007 20/21 Bare die Tested and usawn bump wafer (u=die) Unsawn wafer Dice on ...
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STV7710 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at ...