Question

Answer the following questions in relation to data sheet for memory 2114 (a classic model that has been in the market for many years):

a)How long is the word?

b) What is the size of the memory?

c) How many locations can be accessed?

d) How many address lines does this memory have?

e) How many lines of data are considered in this memory?

f) What signals are considered control lines and what function do they have?

Answer 1

Data sheet for memory 2144:

It is a 4096 bit random access memory fabricated with high density,high reliability .

It organized as 1024 words of four bit each.

It is static so there is no need for clock and refresh.

Totally TTL compatible.

Common data I/O pin with 3 - state capability

Low power(2114L).

a) how long is the word:

2114 is a RAM organised as 1024 words of four bit each .

b) size of the memory:

Size of memory is 1024 words × 4bit = 4096 bit static random access memory.

c)how many locations can be accessed :

4096 memory bits of location can be accessed.

d)address line:

It has adress line of A0 - A9,totally it have address lines.

e) data line:

It has 4 data lines (DQ1-DQ4).

f) control lines:

Chip select and write enable and ten address input are used for control.the detailed explanation about how it works is given in the below uploaded picture .

the above uploaded picture gives detailed definition about 2114