The SN74LVCC4245A is an 8-bit (octal) noninverting bus transceiver that 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.
(1) Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.
| Technology family | LVC |
| Bits (#) | 8 |
| High input voltage (min) (V) | 2 |
| High input voltage (max) (V) | 5.5 |
| Vout (min) (V) | 2.7 |
| Vout (max) (V) | 5.5 |
| Data rate (max) (Mbps) | 200 |
| IOH (max) (mA) | -24 |
| IOL (max) (mA) | 24 |
| Supply current (max) (µA) | 130 |
| Features | Output enable |
| Input type | Standard CMOS |
| Output type | 3-State, Balanced CMOS, Push-Pull |
| Rating | HiRel Enhanced Product |
| Operating temperature range (°C) | -55 to 125 |
| TSSOP (PW) | 24 | 49.92 mm² 7.8 x 6.4 |
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