Product Summary
The USB97C242-MN-04 is a USB2.0 Bulk Only Mass Storage Class Peripheral Controller intended for supporting SmartMedia (SM), and NAND flash memory devices. The USB97C242-MN-04 provides a single chip USB reader solution for the SM and NAND flash devices in the market. The USB97C242-MN-04 consists of a USB 2.0 PHY and SIE, buffers, Fast 8051 microprocessor with expanded scratchpad, and program SRAM, 48KB program ROM and SM controller. Provisions for optional external Flash Memory up to 64K bytes for program storage is provided. 12K bytes of scratchpad SRAM and 768Bytes of scratchpad SRAM are also provided.
Parametrics
USB97C242-MN-04 absolute maximum ratings: (1)Operating Temperature Range: 0°C to +70°C; (2)Storage Temperature Range : -55°C to +150°C; (3)Lead Temperature Range (soldering, 10 seconds): +325°C; (4)Positive Voltage on any pin, with respect to Ground : 5.5V; (5)Negative Voltage on any pin, with respect to Ground: -0.3V; (6)Maximum VDD, VDDP : +3.0V; (7)Maximum VDDIO, VDDA : +4.0V.
Features
USB97C242-MN-04 features: (1)2.5 Volt, Low Power Core Operation; (2)3.3 Volt I/O with 5V input tolerance; (3)Complete USB Specification 2.0 Compatibility; (4)Complete System Solution for interfacing SmartMedia (SM), and NAND flash devices to USB 2.0 bus; (5)On Board 12Mhz Crystal Driver Circuit; (6)Internal PLL for 480Mhz USB2.0 Sampling, 30Mhz MCU clock; (7)Supports firmware upgrade via USB bus if sectorerasable Flash program memory is used; (8)7 GPIOs for special function use: LED indicators, button inputs, power control to memory devices, etc.; (9)100 Pin TQFP (12x12x1.4 body)package; green, lead-free package also available.
Diagrams

| Image | Part No | Mfg | Description | ![]() |
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![]() USB97C242-MN-04 |
![]() SMSC |
![]() USB Interface IC USB 2.0 Flash Media CNTRL |
![]() Data Sheet |
![]() Negotiable |
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| Image | Part No | Mfg | Description | ![]() |
Pricing (USD) |
Quantity | ||||
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![]() USB97C100 |
![]() Other |
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![]() Data Sheet |
![]() Negotiable |
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![]() USB97C202-MV-05 |
![]() SMSC |
![]() Interface - Specialized USB 2.0 Peripheral Cntlr |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() USB97C242-MN-04 |
![]() SMSC |
![]() USB Interface IC USB 2.0 Flash Media CNTRL |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() USB97C242-MV-04 |
![]() SMSC |
![]() Interface - Specialized USB 2.0 Flash Media Controller |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() USB97CFDC2-MN-01 |
![]() SMSC |
![]() USB Interface IC USB Floppy Disk CNTRL |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() USB97CFDC2-MV-01 |
![]() SMSC |
![]() USB Interface IC USB Floppy Disk CNTRL |
![]() Data Sheet |
![]() Negotiable |
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(China (Mainland))









