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TC7MBD3245AFKSPL
TC7MBD3245FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC7MBD3245FK Octal Bus Switch The TC7MBD3245FK provides eight bits of high-speed TTL-compatible bus switching in a standard ’245 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as one 8-bit switch. When output enable (OE) is low, the switch is on and port A is connected to port B. When OE is high, the switch is open and a high-impedance state exists between the two ports. The internal diode which adds to power supply line is enable to realize the shift of signal level from 5 V to 3.3 V. (Note 1) All inputs are equipped with protection circuits against static discharge. Features Weight: 0.03 g (typ.) Pin Assignment (top view) • Operating voltage: VCC = 4.5~5.5 V • High speed: tpd = 0.25 ns (max) • Low on resistance: RON = 5 Ω (typ.) NC 1 20 VCC • ESD performance: Human body model > ±2000 V A1 2 19 OE A2 3 18 B1 Machine model > ±200 V • Compatible with TTL outputs (control inputs) • Package: VSSOP (US20) A3 4 17 B2 • Pin compatible with the 74xx245 type. • A4 5 16 B3 Functionally equivalent to (FST/CBT) 3245. A5 6 15 B4 A6 7 14 B5 A7 8 13 B6 A8 9 12 B7 GND 10 11 B8 Note 1: In case that over-shoot noise is detected, this device should be used with clamp diode to prevent the next stage device from over-stress. (top view) NC-No Internal Connection 1 2001-12-04
TOSHIBA
株式会社 東芝セミコンダクター＆ストレージ社
日本
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