SN74AVC4T774 Texas instruments

SN74AVC4T774

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SN74AVC4T774

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Описание

This 4-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.1 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.1 to 3.6 V. The SN74AVC4T774 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. This allows for universal low-voltage bi-directional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.The SN74AVC4T774 is designed for asynchronous communication between data buses. The logic levels of the direction-control (DIR) input and the output-enable ( OE) input activate either the B-port outputs or the A-port outputs or place both output ports in the high-impedance mode. The device transmits data from the A bus to the B bus when the B outputs are activated, and from the B bus to the A bus when the A outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

Each Channel Has an Independent DIR Control Input
Control Inputs V_IH/V_IL Levels are Referenced to V_CCA Voltage
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.1-V to 3.6-V Power-Supply Range
I/Os are 4.6-V Tolerant
I_off Supports Partial Power-Down-Mode Operation
Typical Data Rates
- 380 Mbps (1.8-V to 3.3-V Translation)
- 200 Mbps (<1.8-V to 3.3-V Translation)
- 200 Mbps (Translate to 2.5 V or 1.8 V)
- 150 Mbps (Translate to 1.5 V)
- 100 Mbps (Translate to 1.2 V)
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds the Following Levels (Tested Per JESD 22)
- ±8000-V Human-Body Model (A114-A)
- 250-V Machine Model (A115-A)
- ±1500-V Charged-Device Model (C101)

Technology family	AVC
Applications	JTAG, SPI, UART
Bits (#)	4
High input voltage (min) (V)	0.78
High input voltage (max) (V)	3.6
Vout (min) (V)	1.2
Vout (max) (V)	3.6
Data rate (max) (MBits)	380
IOH (max) (mA)	-12
IOL (max) (mA)	12
Supply current (max) (µA)	16
Features	Output enable, Overvoltage tolerant inputs, Partial power down (Ioff)
Input type	Standard CMOS
Output type	Balanced CMOS, Push-Pull
Rating	Catalog
Operating temperature range (°C)	-40 to 85