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TC9256AFG データシート(PDF) 1 Page - Toshiba Semiconductor |
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TC9256AFG データシート(HTML) 1 Page - Toshiba Semiconductor |
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1 / 34 page  TC9256, 57APG/AFG 2006-07-14 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9256APG, TC9256AFG, TC9257APG, TC9257AFG PLL for DTS The TC9256APG, TC9256AFG, TC9257APG and TC9257AFG are phase-locked loop (PLL) LSIs for digital tuning systems (DTS) with built-in two-modulus prescalers. All functions are controlled through three serial bus lines. These LSIs are used to configure high-performance digital tuning systems. Features • Suitable for use in digital tuning systems in high-fi tuners and car stereos. • Built-in prescalers operate at an input frequency ranging from 30 to 150 MHz during FMIN input (with two-modulus prescaler) and at 0.5 to 40 MHz during AMIN input (with two-modulus prescaler or direct dividing) • 16-bit programmable counter, dual parallel output phase comparator, crystal oscillator and reference counter • 3.6 MHz, 4.5 MHz, 7.2 MHz or 10.8 MHz crystal oscillators can be used. • 15 possible reference frequencies (when using 4.5 MHz crystal):ref. = 0.5 k, 1 k, 2.5 k, 3 k, 3.125 k, 3.90625 k, 5 k, 6.25 k, 7.8125 k, 9 k, 10 k, 12.5 k, 25 k, 50 k and 100 kHz. • Built-in 20-bit general-purpose counter for such uses as measuring intermediate frequencies (IFIN1 and IFIN2) and low-frequency pilot signal cycles (SCIN). (No cycle measurement function is available on the TC9256APG and TC9256AFG.) • High-precision (±0.55 to ±7.15 µs) PLL phase error detection • Numerous general-purpose I/O pins for such uses as peripheral circuit control • Four N-channel open-drain output ports (OFF withstanding voltage: 12 V) for such uses as control signal output. (TC9256APG and TC9256AFG have only three ports.) • Standby mode function (turns off FM, AM and IF amps) to save current consumption • All functions controlled through three serial bus lines • CMOS structure with operating power supply range of VDD = 5.0 ± 0.5 V. • 16-pin DIP (TC9256APG), 20-pin DIP (TC9257APG), 16-pin SOP (TC9256AFG), 20-pin SOP (TC9257AFG) packages TC9256APG TC9257APG TC9256AFG TC9257AFG Weight P-DIP16-300-2.54A: 1.0 g (typ.) P-DIP20-300-2.54A: 1.24 g (typ.) P-SOP16-300-1.27A: 0.16 g (typ.) P-SOP20-300-1.27A: 0.48 g (typ.) |
同様の部品番号 - TC9256AFG |
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同様の説明 - TC9256AFG |
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