**EXHIBIT        31.2**

**PERICOM          SEMICONDUCTOR CORPORATION**

**CERTIFICATION          PURSUANT TO SECTION 302 OF THE**

**SARBANES-OXLEY          ACT OF 2002**

| 1. | I                    have reviewed this quarterly report on Form 10-Q of Pericom Semiconductor                    Corporation; |
|----|--------------------------------------------------------------------------------------------------------------------------------|

| 2. | Based                    on my knowledge, this report does not contain any untrue statement                    of a                    material fact or omit to state a material fact necessary to make                    the                    statements made, in light of the circumstances under which such                    statements                    were made, not misleading with respect to the period covered                    by this                    report; |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3. | Based                    on my knowledge, the financial statements, and other financial                    information                    included in this report, fairly present in all material respects                    the                    financial condition, results of operations and cash flows of                    the                    registrant as of, and for, the periods presented in this                    report; |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | The                    registrant’s other certifying officers and I are responsible for                    establishing and maintaining disclosure controls and procedures                    (as                    defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal                    control over financial reporting (as defined in Exchange Act                    Rules                    13a-15(f) and 15d-15(f)) for the registrant and                    have: |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5. | The                    registrant’s other certifying officer(s) and I have disclosed, based on                    our most recent evaluation of internal control over financial                    reporting,                    to the registrant’s auditors and the audit committee of the registrant’s                    board of directors (or persons performing the equivalent                    functions): |
|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | a) | All                    significant deficiencies and material weaknesses in the design                    or                    operation of internal control over financial reporting which                    are                    reasonably likely to adversely affect the registrant’s ability to record,                    process, summarize and report financial data;                    and |
|--|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | b) | Any                    fraud, whether or not material, that involves management or other                    employees who have a significant role in the registrant’s internal control                    over financial reporting. |
|--|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| /s/                  Angela Chen                   |
|----------------------------------------------------|
| Angela                  Chen                       |
| Chief                  Financial Officer           |
| Pericom                  Semiconductor Corporation |

----