| Part No. | ROM words | RAM Bytes | I/O | LCD | ADC | OPAMP | STACK | LVR | System Clock | Package | Datasheet |
| FS98O01 | 2k | 128 | 13 | 4X12 | 15bit,5ch | 1 | 4 | Y | Int.1MHz | 64-LQFP |
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| FS98O21 | 2K | 128 | 16 | 4X12 | 14-bit,6 ch | 1 | 6 | Y | Ext.32768Hz,int.1MHz | 64-LQFP |
|
| FS98O23 | 8k | 384 | 28 | 4x40 | 14 bit,12 ch | 2 | 8 | Y | Ext.32768Hz,Int.1MHz | 100QFP |
|
| FS98O25 | 6K / 8K | 256 | 20 | 4X32 | 14bit, 8 ch | 2 | 8 | Y | Ext.32768Hz,Int.1MHz | 100-QFP |
|
| FS9932 | 2k | 128 | 10 | 4x12 | 14-bit,6 ch | 1 | 6 | Y | Ext.32768Hz or Ext.4MHz,Int.1MHz | 64-LQFP |
|
| FS98O02 | 2k | 128 | 17 | 4*12 | 14-bit ,5 ch | 1 | 4 | Y | Int.1MHZ,4MHz | 64-LQFP |
|
| FS98O22 | 4K | 256 | 24 | 4X20 | 14bit,8 ch | 1 | 8 | Y | Ext.32768Hz,int.1MHz | 100-QFP |
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