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1. General description

The 74ALVC16836A is a 20-bit universal bus driver. Data flow is controlled by active low output

enable (OE), active low latch enable (LE) and clock inputs (CP).

When LE is LOW, the A to Y data flow is transparent. When LE is HIGH 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/flipflop.

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.

2. Features and benefits

? Wide supply voltage range from 1.2 V to 3.6 V

? CMOS low-power consumption

? Direct interface with TTL levels

? Current drive ± 24 mA at 3.0 V

? MULTIBYTE flow-through standard pin-out architecture

? Low inductance multiple VCC and GND pins for minimum noise and ground bounce

? Output drive capability 50 Ω transmission lines at 85°C

? Input diodes to accommodate strong drivers

? Complies with JEDEC standard no. 8-1A

? Complies with JEDEC standards:

? JESD8-5 (2.3 V to 2.7 V)

? JESD8B/JESD36 (2.7 V to 3.6 V)

? ESD protection:

? HBM ANSI/ESDA/JEDEC JS-001 exceeds 2000 V

? CDM JESD22-C101E exceeds 1000 V