Hitachi HD74ALVCH16835
The HD74ALVCH16835 is an 18-bit universal bus driver designed for 2.3 V to 3.6 V V CC operation. The device operates in the transparent mode when the latch enable (LE) input is high. The A data is latched if the clock (CLK) input is held at a high or low logic level.| Part No. | HD74ALVCH16835 |
|---|---|
| Datasheet | HD74ALVCH16835 Download |
| Manufacturer |  Hitachi |
| Description | 18-bit Universal Bus Driver with 3-state Outputs |
| Buy | Stock & Price |
DESCRIPTION
Data flow from A to Y is controlled by the output enable (OE ). If the LE is low, the A bus data is stored in the latch/flip flop on the low to high transition of CLK. When OE is high, the outputs are in the high impedance state. To ensure the high impedance state during power up or power down, the output ebable ( OE) input 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. Active bus hold circuitry is provided to hold unused or floating data inputs at a valid logic level.FEATURES
● Supports unregulated battery operation down to 2.7 V● Bus hold on data inputs eliminates the need for external pullup resistors.
● Distrlbuted VCC and GND pin conflguration minimizes high speed switching noise. HD74ALVCH16835 Function Table Inputs OE H L L L L L L H: L: X: Z: ↑: Notes: LE X H H L L L L CLK X X X ↑ ↑ H L A X L H L H X X Output Y Z L H L H Y0 *1 Y0 *2 High level Low level Immaterial High impedance Low to high transition 1.
