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74FCT162823ETPACT Folha de dados(PDF) 1 Page - Texas Instruments |
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74FCT162823ETPACT Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 8 page 18-Bit Registers CY74FCT16823T CY74FCT162823T SCCS062 - August 1994 - Revised March 2000 Data sheet acquired from Cypress Semiconductor Corporation. Data sheet modified to remove devices not offered. Copyright © 2000, Texas Instruments Incorporated Features • FCT-E speed at 4.4 ns • Power-off disable outputs permits live insertion • Edge-rate control circuitry for significantly improved noise characteristics • Typical output skew < 250 ps • ESD > 2000V • TSSOP (19.6-mil pitch) and SSOP (25-mil pitch) packages • Industrial temperature range of −40˚C to +85˚C •VCC = 5V ± 10% CY74FCT16823T Features: • 64 mA sink current, 32 mA source current • Typical VOLP (ground bounce) <1.0V at VCC = 5V, TA = 25˚C CY74FCT162823T Features: • Balanced 24 mA output drivers • Reduced system switching noise • Typical VOLP (ground bounce) <0.6V at VCC = 5V, TA= 25˚C Functional Description The CY74FCT16823T and the CY74FCT162823T 18-bit bus interface registers are designed for use in high-speed, low-power systems needing wide registers and parity. 18-bit operation is achieved by connecting the control lines of the two 9-bit registers. Flow-through pinout and small shrink packaging aids in simplifying board layout. The outputs are designed with a power-off disable feature to allow live insertion of boards. The CY74FCT16823T is ideally suited for driving high-capacitance loads and low-impedance backplanes. The CY74FCT162823T has 24-mA balanced output drivers with current limiting resistors in the outputs. This reduces the need for external terminating resistors and provides for minimal undershoot and reduced ground bounce. The CY74FCT162823T is ideal for driving transmission lines. Logic Block Diagrams C Pin Configuration D R 1 2 3 4 5 6 7 8 9 10 11 12 33 32 31 30 29 36 35 1CLR 34 SSOP/TSSOP Top View 13 15 16 17 18 19 20 21 22 23 24 45 44 43 42 41 37 38 39 40 48 47 46 1CLR 1D1 1OE 1OE 1Q1 1Q2 GND VCC GND FCT16823-1 1CLK 1CLKEN 1Q1 TO 8 OTHER CHANNELS GND 1D1 1D2 1D3 1D4 1CLK GND 1D5 1D6 1D7 1D9 VCC GND 2D1 2D2 2D4 GND 2D5 2D6 2D7 2D8 VCC 2CLK 1CLKEN 25 26 27 28 49 50 51 52 53 54 55 56 1D8 2D3 2D9 2CLKEN C D R 2CLR 2D2 2OE 2CLK 2CLKEN 2Q1 TO 8 OTHER CHANNELS 1Q3 1Q4 1Q5 1Q7 1Q8 1Q9 1Q6 14 2Q1 2Q2 2Q3 2Q4 2Q6 2Q7 2Q8 2Q5 2Q9 GND VCC GND 2OE 2CLR FCT16823-2 FCT16823-3 |
Nº de peça semelhante - 74FCT162823ETPACT |
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Descrição semelhante - 74FCT162823ETPACT |
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