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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MC14599 See Page 6-174
8-Bit Bus-Compatible Latches
The MC14597B and MC14598B are 8–bit latches, one addressed with an internal counter and the other addressed with an external binary address. The 8 latch–outputs are high drive, three–state and bus line compatible. The drive capability allows direct applications with MPU systems such as the Motorola 6800 family. With MC14597B, a 3–bit address counter (clocked on the falling edge of Increment) selects the appropriate latch. The latches of the MC14598B are accessed via the Address pins, A0, A1, and A2. A Full Flag is provided on the MC14597B to indicate the position of the Address counter. All 8 outputs from the latches are available in parallel when Enable is in the low state.