Features: • Bidirectional Interface Between 3V and 3V/5V Buses• Control Inputs Compatible with TTL Level• Outputs Source/Sink Up to 24mA• Guaranteed Simultaneous Switching Noise Level and Dynamic Threshold Performance• Available in SOIC and TSSOP Packages• Flexi...
MC74LVXC3245: Features: • Bidirectional Interface Between 3V and 3V/5V Buses• Control Inputs Compatible with TTL Level• Outputs Source/Sink Up to 24mA• Guaranteed Simultaneous Switching No...
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Features: Operating range: 38 to 47 Gb/s (min.) (note)Signal regeneration with full-rate clock sig...
Symbol | Parameter | Value | Condition | Unit |
VCCA, VCCB | DC Supply Voltage | 0.5 to +7.0 | V | |
VI | DC Input Voltage OE, T/R | 0.5 to VCCA +0.5 | V | |
VI/O | DC Input/Output Voltage An Bn |
0.5 to VCCA +0.5 | V | |
0.5 to VCCB +0.5 | V | |||
IIK | DC Input Diode Current OE, T/R | ±20 | VI < GND | mA |
IOK | DC Output Diode Current | ±50 | VO < GND; VO > VCC | mA |
IO | DC Output Source/Sink Current | ±50 | mA | |
ICC, IGND | DC Supply Current Per Output Pin Maximum Current |
±50 ±200 |
mA | |
TSTG | Storage Temperature Range | 65 to +150 | °C | |
DC Latchup Source/Sink Current | ±300 | mA |
The 74LVXC3245 is a 24pin dualsupply, octal configurable voltage interface transceiver especially well suited for PCMCIA and other real time configurable I/O applications. The VCCA pin accepts a 3V supply level; the A port is a dedicated 3V port. The VCCB pin accepts a 3Vto5V supply level. The B port is configured to track the VCCB supply level. A 5V level on the VCCB pin will configure the I/O pins at a 5V level and a 3V VCCB will configure the I/O pins at a 3V level. The A port interfaces with a 3V host system and the B port to the card slots. This device will allow the VCCB voltage source pin and I/O pins on the B port to float when OE is High. This feature of MC74LVXC3245 is necessary to buffer data to and from a PCMCIA socket that permits PCMCIA cards to be inserted and removed during normal operation. The Transmit/Receive (T/R) input determines the direction of data flow. Transmit (activeHigh) enables data of MC74LVXC3245 from the A port to B port. Receive (activeLow) enables data from the B port to the A port.