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Part Number: 54LVX4245
Description: The LVX4245 is a dual-supply, 8-bit translating transceiver that is designed to interface between a 5V...
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54LVX4245
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General Description
54LVX4245 General Description
The LVX4245 is a dual-supply, 8-bit translating transceiver that is designed to interface between a 5V bus and a 3V bus in a mixed 3V/5V supply environment. The Transmit/Receive (T/R) input determines the direction of data flow. Transmit (active-HIGH) enables data from A ports to B ports; Receive (active-LOW) enables data from B ports to A ports. The Output Enable input, when HIGH, disables both A and B ports by placing them in a TRI-STATE condition. The A port interfaces with the 5V bus; the B port interfaces with the 3V bus.
The LVX4245 is suitable for mixed voltage applications such as systems using 3.3V memories which must interface with existing buses or other components operating at 5.0V.
54LVX4245 Maximum Ratings
Supply Voltage (VCCA, VCCB) −0.5V to +7.0V
DC Input Voltage (VI) @ OE, T/R −0.5V to VCCB + 0.5V
DC Input/Output Voltage (VI/O)
@ A(n) −0.5V to VCCA + 0.5V
@ B(n) −0.5V to VCCB + 0.5V
DC Input Diode Current (IIN)
@ OE , T/R ±20 mA
DC Output Diode Current (IOK) ±50 mA
DC Output Source or
Sink Current (IO) ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND) ±50 mA
and Max Current @ ICCA ±200 mA
@ ICCB ±200 mA
Storage Temperature Range
(TSTG) −65°C to +150°C
DC Input Voltage (VI) @ OE, T/R −0.5V to VCCB + 0.5V
DC Input/Output Voltage (VI/O)
@ A(n) −0.5V to VCCA + 0.5V
@ B(n) −0.5V to VCCB + 0.5V
DC Input Diode Current (IIN)
@ OE , T/R ±20 mA
DC Output Diode Current (IOK) ±50 mA
DC Output Source or
Sink Current (IO) ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND) ±50 mA
and Max Current @ ICCA ±200 mA
@ ICCB ±200 mA
Storage Temperature Range
(TSTG) −65°C to +150°C
54LVX4245 Features
Bidirectional interface between 5V and 3V buses
Control inputs compatible with TTL level
5V data flow at A port and 3V data flow at B port
Outputs source/sink 24 mA
Available in Ceramic DIP and Flatpack packages
Implements patented EMI reduction circuitry
Functionally compatible with the 54 series 245
Standard Microcircuit Drawing (SMD) 5962-9860601
Control inputs compatible with TTL level
5V data flow at A port and 3V data flow at B port
Outputs source/sink 24 mA
Available in Ceramic DIP and Flatpack packages
Implements patented EMI reduction circuitry
Functionally compatible with the 54 series 245
Standard Microcircuit Drawing (SMD) 5962-9860601
54LVX4245 Connection Diagram
54LVX4245
PDF/DataSheet Download
- Datasheet: 54LVX4245
- File Size: 116760 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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