74ALVCHT16835 18-bit Registered Driver (3-State)The 74ALVCHT16835 is a 18-bit registered driver. Data flow is
controlled by active low output enable (OE), active high latch enable
(LE) and Clock inputs (CP).
When LE is HIGH, the A to Y data flow is transparent. When LE is
LOW and CP is held at LOW or HIGH, the data is latched; on the
LOW to HIGH transient of CP the A-data is stored in the
latch Flip-Flop
When OE is LOW the outputs are active. When OE is HIGH, the
outputs go to the high impedance OFF-state. Operation of the OE
input does not affect the state of the latch Flip-Flop
To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pullup resistor; the
minimum value of the resistor is determined by the current-sinking
capability of the driver.
By NXP Semiconductors |
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