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8V16245AMDLREPG4 データシート(PDF) 2 Page - Texas Instruments |
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8V16245AMDLREPG4 データシート(HTML) 2 Page - Texas Instruments |
2 / 17 page www.ti.com DESCRIPTION/ORDERING INFORMATION GQL ORZQL PACKAGE (TOP VIEW) A B C D E F G H J K 1 2 3 4 5 6 SN74LVTH16245A-EP 3.3-V ABT 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCAS693G – APRIL 2003 – REVISED OCTOBER 2006 The SN74LVTH16245A is a 16-bit (dual-octal) noninverting 3-state transceiver designed for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment. This device can be used as two 8-bit transceivers or one 16-bit transceiver. It allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the devices so that the buses effectively are isolated. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. When VCC is between 0 V and 1.5 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict. TERMINAL ASSIGNMENTS(1) 1 2 3 4 5 6 A 1DIR NC NC NC NC 1OE B 1B2 1B1 GND GND 1A1 1A2 C 1B4 1B3 VCC VCC 1A3 1A4 D 1B6 1B5 GND GND 1A5 1A6 E 1B8 1B7 1A7 1A8 F 2B1 2B2 12A2 2A1 G 2B3 2B4 GND GND 2A4 2A3 H 2B5 2B6 VCC VCC 2A6 2A5 J 2B7 2B8 GND GND 2A8 2A7 K 2DIR NC NC NC NC 2OE (1) NC – no internal connection ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING SSOP – DL Tape and reel CLVTH16245AQDLREP LH16245AEP –40 °C to 125°C TSSOP – DGG Tape and reel CLVTH16245AQDGGREP LH16245AEP TVSOP – DGV Tape and reel CLVTH16245AIDGVREP LL245AEP VFBGA – GQL CLVTH16245AIGQLREP –40 °C to 85°C Tape and reel LL245AEP VFBGA – ZQL CLVTH16245AIZQLREP (Pb-free) –55 °C to 125°C SSOP – DL Tape and reel CLVTH16245AMDLREP LH16245AEP (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 2 Submit Documentation Feedback |
同様の部品番号 - 8V16245AMDLREPG4 |
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同様の説明 - 8V16245AMDLREPG4 |
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