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SN65512 Datasheet(PDF) 1 Page - Texas Instruments |
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SN65512 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 7 page 
SN65512C, SN75512C VACUUM FLUORESCENT DISPLAY DRIVERS SLDS054 − D3516, MAY 1990 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 Copyright 1990, Texas Instruments Incorporated 4−1 • Each Device Drives 12 Lines • 60-V Output Voltage Swing Capability • 25-mA Output Source Current Capability • High-Speed Serially-Shifted Data Input • TTL-Compatible Inputs • Latches on All Driver Outputs description The SN65512C and SN75512C are monolithic BIDFET † integrated circuits designed to drive a dot matrix or segmented vacuum fluorescent display. All device inputs are diode-clamped pnp inputs and assume a high logic level when open circuited. The nominal input threshold is 1.5 V. Outputs are totem-pole structures formed by an npn emitter follower and double-diffused MOS (DMOS) transistors. The device consists of a 12-bit shift register, 12 latches, and 12 output AND gates. Serial data is entered into the shift register on the low-to-high transition of CLOCK. When high, LATCH ENABLE transfers the shift register contents to the outputs of the 12 latches. The active-low STROBE input enables all Q outputs. Serial data output from the shift register can be used to cascade shift registers. This output is not affected by LATCH ENABLE or STROBE. The SN65512C is characterized for operation from − 40 °C to 85°C. The SN75512C is characterized for operation from 0 °C to 70°C. † BIDFET − Bipolar, double-diffused, N-channel and P-channel MOS transistors on same chip. This is a patented process. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Q11 Q12 STROBE SERIAL OUT DATA IN VCC1 CLOCK LATCH ENABLE Q1 Q2 Q10 Q9 Q8 Q7 VCC2 GND Q6 Q5 Q4 Q3 DW OR N PACKAGE (TOP VIEW) logic symbol‡ ‡ This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. SRG12 C1/ TTL / VAC FLUOR DISPLAY Q1 9 Q2 10 Q3 11 Q4 12 Q5 13 Q6 14 Q7 17 Q8 18 Q9 19 Q10 20 Q11 1 Q12 2 SERIAL OUT 4 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 2D 3 CLOCK 7 LATCH ENABLE 8 DATA IN 5 STROBE 3 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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