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SN74LVCZ245A Datasheet

Part Number SN74LVCZ245A
Manufacturers Texas Instruments
Logo Texas Instruments
Description OCTAL BUS TRANSCEIVER
Datasheet SN74LVCZ245A DatasheetSN74LVCZ245A Datasheet (PDF)

D Operates From 2.7 V to 3.6 V D Inputs Accept Voltages to 5.5 V D Max tpd of 6.3 ns at 3.3 V D Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C D Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C D Ioff and Power-Up 3-State Support Hot Insertion D Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC) D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II SN74LVCZ245A OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES.

  SN74LVCZ245A   SN74LVCZ245A






OCTAL BUS TRANSCEIVER

D Operates From 2.7 V to 3.6 V D Inputs Accept Voltages to 5.5 V D Max tpd of 6.3 ns at 3.3 V D Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C D Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C D Ioff and Power-Up 3-State Support Hot Insertion D Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC) D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II SN74LVCZ245A OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES275G – JUNE 1999 – REVISED AUGUST 2003 DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) DIR 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND 10 20 VCC 19 OE 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 B8 description/ordering information This octal bus transceiver is designed for 2.7-V to 3.6-V VCC operation. The SN74LVCZ245A is designed for asynchronous communication between data buses. The device transmits data 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 device so the buses are effectively isolated. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment. When VCC is between 0 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 re.


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