100397QC [Onsemi]

The 100397 is a quad latched transceiver designed to convert TTL logic levels to differential F100K ECL logic levels and vice versa. It features a 25Ω differential ECL output and will sink a 64mA TTL load. The device is ideal for mixed technology applications utilizing either an ECL or TTL backplane. The direction of translation is set by the direction control pin (DIR). The cut-off state is designed to be more negative than a normal ECL LOW level, allowing the output emitter-followers to turn off when the termination supply is −2.0V, presenting a high impedance to the data bus. The 100397 is designed with FAST® TTL output buffers, featuring optimal DC drive and capable of quickly charging and discharging highly capacitive loads. All inputs have 50KΩ pull-down resistors.