Truth Table/Functionality

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Synchronous Read or Write to Memory (all inputs registered)
inclock we

Function

not

X

No change

(write)

L

No change

(read)

L

The memory location pointed to by address is read from the array. If outclock is not used, the read data appears at the outputs.

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Synchronous Read from Memory

outclock

Function

not

No change

The memory location pointed to by address is read.

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Asynchronous Memory Operations

we

Function

L

No change

H

The memory location pointed to by address is loaded with data and controlled by we.

Note:we does not act as a clock enable for the outclock output clock.