ST1200

2/2

The ST1200 is available in wafer form (either sawn

or unsawn) and in micromodule form (on film).

For deliveries in wafer form, the memory content is

at logical “0”, except for the 9th bit (bit 8).

If the delivery is in micromodule, the first bit (bit 0)

has been programmed at “1” for final test control.

FUNCTIONAL DESCRIPTION

The ST1200 has 3 operating modes in the normal

system environment. They are selected with the A

and B inputs, as shown in Table 2.

Power-On Reset

Because of the “power-on reset” feature, the

ST1200 is ready for operation (with the counter re-

become available, after the establishment of a val-

the current cell (address 0) to the OUT pin.

Table 2. Operating Modes

A

B

Mode

0

0

Reset address counter

0

1

Increment address counter

1

1

Program memory cell

1

0

Forbidden

Figure 2. Memory Map

SCP083/AI

0

96

255

PROTECTED ZONE

NON PROTECTED ZONE

00

08

1

1*

1* : Only for deliveries in micromodules

Table 3. Ordering Information Scheme

Devices are shipped from the factory with the memory content set at all ‘0’s (00h).

For a list of available options (speed, package, etc...) or for further information on any aspect of this device,

please contact the ST Sales Office nearest to you.

Example:

ST1200

-

D10

Delivery Form

D10

Micromodule on Super 35 mm reel

B5

Wafer (280

µm thickness)