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Ordering Your Programming Adapter

How to Use the Cross Reference:

1)  Find your part in the appropriate category

2)  Look for your device in the Index by Package Type or Multi-source section of the category.  If the device is in this section, this is where you'll find the part number for your device.  Verify the package form factor using the footprint code shown under the device part number or by viewing the Programming Adapter Specification Sheet PDF.  You'll find the footprint drawings in the Footprint Section of the catalog.

3)  If your device is not listed in the Multi-source section, go to the Single Source section, organized by manufacturer.  This is where you'll find the part number for your device.  Verify the package form factor using the footprint code shown under the device part number.  You'll find the footprint drawings in the Footprint Section of the catalog.

4)  If your device is not in the Multi-source or Single Source sections, follow the example below, using your IC manufacturer's Data Book.



Ordering Information Example
Using an IC Manufacturer's Data Book:

Let's say you want to program a 27C256 EPROM.  Your device is in a PLCC package.  Your programmer has a DIP socket.  Using an IC manufacturer's Data Book, here's what you'd do:

1)  Compare the PLCC pin count with the DIP pin count in the data book.

2)  If the pin counts are equal (wired one to one), go to the PLCC Chip Package Table on the following pages, and find the pin count of your chip package (i.e. in part # AS-18-18-01P-3, the pin count is 18).  Choose a 300-mil or 600-mil programmer DIP socket width (see Ordering Information Example).

3)  If the PLCC and DIP pin counts do not match one to one, there will be No-Connect (NC) labels on the pins shown in the PLCC connection diagram.  Make a list of the pins associated with the NC label (i.e. 1, 12, 17, 26).

4)  Go to the PLCC Chip Package Table and find a corresonding list of No-Connects.  Choose a 300-mil or 600-mil programmer's DIP socket width (see Ordering Information Example)

Connection Diagram Example:
Connection Diagram Example

Chip Package Dimensions
Chip Package Dimensions

Tel: 1-800-ADAPTER, (1-800-232-7837)
Fax: (408) 982-0664


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