データシートサーチシステム |
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54LVX4245J-QML データシート(PDF) 5 Page - National Semiconductor (TI) |
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54LVX4245J-QML データシート(HTML) 5 Page - National Semiconductor (TI) |
5 / 8 page AC Electrical Characteristics Symbol Parameters T A = −55˚C to +125˚C T A = −55˚C to +125˚C Units C L = 50 pF C L = 50 pF V CCA = 5V (Note 6) V CCA = 5V (Note 6) V CCB = 3.3V (Note 7) V CCB = 2.7V Min Max Min Max t PHL Propagation Delay 1.0 7.5 1.0 8.5 ns t PLH A to B 1.0 7.5 1.0 8.5 t PHL Propagation Delay 1.0 8.5 1.0 9.0 ns t PLH B to A 1.0 8.5 1.0 9.0 t PZL Output Enable Time 1.0 9.5 1.0 10.0 ns t PZH OE to B 1.0 9.5 1.0 10.0 t PZL Output Enable Time 1.0 8.0 1.0 8.0 ns t PZH OE to A 1.0 8.0 1.0 8.0 t PHZ Output Disable Time 1.0 7.5 1.0 7.5 ns t PLZ OE to B 1.0 7.5 1.0 7.5 t PHZ Output Disable Time 0.5 7.0 0.5 7.0 ns t PLZ OE to A 0.5 7.0 0.5 7.0 t OSHL Output to Output t OSLH Skew (Note 8) 1.5 1.5 ns Data to Output Note 6: Voltage Range 5.0V is 5.0V ±0.5V. Note 7: Voltage Range 3.3V is 3.3V ±0.3V. Note 8: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci- fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design. Capacitance Symbol Parameter Max Units Conditions C IN Input Capacitance 10 pF V CC = Open C I/O Input/Output 12 pF V CCA = 5.0V Capacitance V CCB = 3.3V C PD Power Dissipation 50 pF V CCA = 5.0V Capacitance V CCB = 3.3V CPD is measured at 10 MHz 8-Bit Dual Supply Translating Transceiver The LVX4245 is a dual supply device capable of bidirectional signal translation. This level shifting ability provides an effi- cient interface between low voltage CPU local bus with memory and a standard bus defined by 5V I/O levels. The device control inputs can be controlled by either the low volt- age CPU and core logic or a bus arbitrator with 5V I/O levels. Manufactured on a sub-micron CMOS process, the LVX4245 is ideal for mixed voltage applications using 3.3V devices and 5V buses or IC’s. DS101021-3 www.national.com 5 |
同様の部品番号 - 54LVX4245J-QML |
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同様の説明 - 54LVX4245J-QML |
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