Truth Table/Functionality

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.

Synchronous Read from Memory

outclock

Function

not

No change

The memory location pointed to by address is read.

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.