Features: ` Bidirectional Voltage Translator` 4.5 V to 5.5 V on A Port and 2.7 V to 5.5 V on B Port` Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage` Latch-Up Performance Exceeds 250 mA Per JESD 17` ESD Protection Exceeds JESD 22 2000-V Human-Body Model (A114-A) 200-V Machine Model ...
SN74LVCC4245A: Features: ` Bidirectional Voltage Translator` 4.5 V to 5.5 V on A Port and 2.7 V to 5.5 V on B Port` Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage` Latch-Up Performance Exceeds 250 mA...
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| MIN | MAX | UNIT | ||
|
VCCA Supply voltage range |
0.5 | 6 | V | |
| VI Input voltage range(2) | I/O ports (A port) | 0.5 | VCCA + 0.5 | V |
| I/O ports (B port) | 0.5 | VCCB + 0.5 | ||
| Except I/O ports | 0.5 | VCCA + 0.5 | ||
| VO Output voltage range(2) | A port | 0.5 | VCCA + 0.5 | V |
| B port | 0.5 | VCCB + 0.5 | ||
| IIK Input clamp current | VI < 0 | 50 | mA | |
| IOK Output clamp current | VO < 0 | 50 | mA | |
| IO Continuous output current | ±50 | mA | ||
| Continuous current through VCCA, VCCB, or GND | ±100 | mA | ||
| JA Package thermal impedance(3) | DB package | 63 | /W | |
| DW package | 46 | |||
| NS package | 65 | |||
| PW package | 88 | |||
| Tstg Storage temperature range | 65 | 150 | ||
This SN74LVCC4245A 8-bit (octal) noninverting bus transceiver uses two separate power-supply rails. The A port, VCCA, is dedicated to accepting a 5-V supply level, and the configurable B port, which is designed to track VCCB, accepts voltages from 3 V to 5 V. This allows for translation from a 3.3-V to a 5-V environment and vice versa.
The SN74LVCC4245A 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 effectively are isolated. The control circuitry (DIR, OE) is powered by VCCA.