Alliance Semiconductor Introduces ASM6300 Series, Low Threshold Voltage CPU Supervisory Product Family In Tiny SC70 Package; Alliance Establishes Base for Delivering Wide Range of Next-Generation System Management Products

SANTA CLARA, Calif.—(BUSINESS WIRE)—May 25, 2005— Alliance Semiconductor Corporation (Nasdaq: ALSC), a leading worldwide provider of analog and mixed signal products, high-performance memory products and connectivity & networking solutions for the communications, computing, embedded, industrial and consumer markets, today announced the availability of its ASM6300 CPU supervisory product family in tiny footprint SC70 packaging. The new product family is available in a wide range of reset voltage and reset timing combinations that spawn 10 distinct products with 217 voltages and reset timing combinations per product. These products are low-power and cost effective CPU supervisory solutions addressing a wide range of applications in wire-line and wireless telecom, computer, consumer, industrial and medical markets.

"Based on the success of our first generation CPU supervisory products in the market, we are leveraging our experience in design and manufacturing engineering to offer the widest range of second generation low-power, low-voltage CPU supervisory solutions," said Samuel Leung, director of marketing, Analog and Mixed Signal business unit for Alliance. "This series of CPU supervisors is addressing the application needs of new, smaller and more power efficient consumer electronics that will be introduced over the next few years."

Designed in a sub-micron CMOS process, Alliance's CPU supervisors operate on power levels that are 20-40 percent less than other typical supervisory products currently available in the market. Supervisor products provide system designers an easy and simple solution to monitoring and detecting problems related to power supply instability and provide them with an assured and safe system operation. The table below summarizes the features offered in the ASM6300 product family that address the needs required in low-voltage, low-power handheld devices and embedded system applications.
Alliance Semiconductor ASM6300 series CPU Supervisor Products

Part Number  Output Stage    Reset    Manual  Reset  3L SC70  4L SC70
                            Polarity   Reset    In    Package  Package
------------ ------------- ---------- ------- ------ -------- --------
  ASM6381      Push-Pull      LOW                       x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6382      Push-Pull      HIGH                      x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6383     Open-Drain      LOW                       x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6384      Push-Pull      LOW        x                       x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6385      Push-Pull      HIGH       x                       x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6386     Open-Drain      LOW        x                       x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6387      Push-Pull      LOW               x                x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6388      Push-Pull      HIGH              x                x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6389     Open-Drain      LOW               x                x
------------ ------------- ---------- ------- ------ -------- --------
  ASM6390     Open-Drain      LOW        x                       x
------------ ------------- ---------- ------- ------ -------- --------

Threshold voltage range from 1.6V to 4.6V in 31 steps.

Reset Active Period range from 2ms to 2400ms in 7 steps.

Pricing and Availability

Production quantities are available now in all package options (3L SOT23, 3L SC70 and 4L SC70) and in both commercial and industrial temperature ranges. Pricing for ASM6300 series starts at $0.45 per unit in large quantities.

For more information on these and other products, please visit

About Alliance:

Alliance Semiconductor Corporation (Nasdaq: ALSC) is powering every application with high performance solutions for the communications, computing and consumer electronics markets. Utilizing advanced process technologies and design expertise, Alliance provides leading OEMs with a broad portfolio of complementary technologies including analog and mixed-signal products, chip-to-chip connectivity products, networking controllers and high-performance memories. Alliance addresses the complete needs of system developers by leveraging its proprietary advances in Electromagnetic Interference (EMI) reduction, power management and timing technology, HyperTransport(TM) I/O connectivity and specialized memory solutions for next-generation applications. Founded in 1985, Alliance is headquartered in Santa Clara, Calif. with design centers in Bangalore and Hyderabad, India. The company is publicly traded. Additional information is available on the Alliance Web site at:

Alliance Semiconductor Corporation, Santa Clara
Samuel Leung, 408-855-6712

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