Lumissil IS31CS8974-ZNLS2-TR 带2KB SRAM和32Kx16 ECC E-Flash的MCU，TSSOP-24封装（4.4mm x 7.8mm）

Core: 8051

Data RAM Size: 2 kB

Data RAM Type: SRAM

ADC Resolution: 20 bit

Data Bus Width: 8 bit

Interface Type: I2C, SPI, UART

Mounting Style: SMD/SMT

Number of I/Os: 20 I/O

Watchdog Timers: Watchdog Timer

Moisture Sensitive: Yes

Program Memory Size: 32 kB

Program Memory Type: Flash

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 2.5 V

Maximum Clock Frequency: 16 MHz

Number of Timers/Counters: 5 Timer

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C