# ATLAS Cathode Strip Chamber

**Radiation Hardness Assurance Progress Report**

**Date : December 1, 2000**

**Report made by : P. O'Connor**

**Institute: BNL**

**Email: poc@bnl.gov**

1 General information on CSC boards

Name of the board: ASM-PACK (consists of a sandwich of two ASM 1 and one
ASM 2 board)

Location: all boards to be interchangeable. Worst location: Z = 718cm, R
= 89.4cm

Simulated Radiation Levels and Safety Factors\[Nov. 18 draft of ATLAS
Policy on Rad Hard Electronics\]

+---------------+---------+--------------------+----------------------+
|               | TID     | NIEL               | SEE                  |
+---------------+---------+--------------------+----------------------+
| SRL           | 126     | 5.4 x 10\^12       | 1.  x 10\^12         |
|               | (G      |                    |                      |
|               | y/10yr) | (1MeV n/cm2/10yr)  | (\>20MeV h/cm2/10yr) |
+---------------+---------+--------------------+----------------------+
| SFsim         | 3.5     | 5                  | 5                    |
+---------------+---------+--------------------+----------------------+
| SFldr, COTS   | 5       | 1                  | 1                    |
+---------------+---------+--------------------+----------------------+
| SFldr,        | 1.5     | 1                  | 1                    |
| Rad-hard      |         |                    |                      |
+---------------+---------+--------------------+----------------------+
| SFlot, COTS   | 4       | 4                  | 4                    |
+---------------+---------+--------------------+----------------------+
| SFlot, ASIC   | 2       | 2                  | 2                    |
+---------------+---------+--------------------+----------------------+
| SFlot,        | 1       | 1                  | 1                    |
| Rad-hard ASIC |         |                    |                      |
+---------------+---------+--------------------+----------------------+

2\. Electronics components on each board

+----------+---------+--------------+---------+----------+------------+
| Name/    | Part    | Manufacture  | Qty/    | Qt       | Status     |
| function | No.     | r/technology | ASM-PAK | y/system |            |
|          |         |              |         |          |            |
|          |         |              |         | (incl.   |            |
|          |         |              |         | 10%      |            |
|          |         |              |         | spares)  |            |
|          |         |              |         |          |            |
|          |         |              |         | (one     |            |
|          |         |              |         | endcap   |            |
|          |         |              |         | only)    |            |
+----------+---------+--------------+---------+----------+------------+
| Pream    | IC50    | HP/ 0.5um    | 16      | 2816     | Prelim.    |
| p/shaper | rev. 2  | CMOS         |         |          | TID qual   |
|          |         |              |         |          | done       |
+----------+---------+--------------+---------+----------+------------+
| 3.3V     | \--     | \--          | 2       | 352      | Not        |
| r        |         |              |         |          | selected   |
| egulator |         |              |         |          |            |
+----------+---------+--------------+---------+----------+------------+
| SCA      | HAMAC   | DMILL        | 16      | 2816     | Being      |
|          | rev. 4  |              |         |          | qualified  |
|          |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| Dual     | AD8042  | Analog       | 32      | 5632     | Being      |
| op-amp   |         | Devices      |         |          | qualified  |
|          |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| 12-b ADC | AD9042  | Analog       | 16      | 2816     | Being      |
|          |         | Devices      |         |          | qualified  |
|          |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| PECL     | M       | Motorola     | 6       | 1056     | Being      |
| tr       | C10H116 |              |         |          | qualified  |
| anslator |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| 5V       | \--     | \--          | 2       | 352      | Being      |
| r        |         |              |         |          | qualified  |
| egulator |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| 850nm    | MDX-1   | Methode      | 3       | 528      | Partially  |
| tra      | 9-4-1-8 |              |         |          | qualified  |
| nsceiver |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| Glink    | H       | HP           | 2       | 352      | Being      |
| se       | DMP1022 |              |         |          | qualified  |
| rializer |         |              |         |          | by LAr     |
+----------+---------+--------------+---------+----------+------------+
| Glink    | H       | HP           | 1       | 176      | Qua        |
| de-se    | DMP1024 |              |         |          | lification |
| rializer |         |              |         |          | started    |
+----------+---------+--------------+---------+----------+------------+
| Mul      | \--     | Technology   | 2       | 176      | Not        |
| tiplexer |         | not chosen   |         |          | selected   |
+----------+---------+--------------+---------+----------+------------+
|          |         |              |         |          |            |
+----------+---------+--------------+---------+----------+------------+
|          |         |              |         |          |            |
+----------+---------+--------------+---------+----------+------------+

IC50: custom preamp/shaper, 16-channel chip, designed at BNL, uses HP
0.5um CMOS triple metal process

HAMAC rev. 4: custom analog memory, 12-channel chip, designed at
Nevis/Saclay, fabricated in DMILL

3\. Radiation test reports

No devices yet qualified