MV60 Accelerometer cost-effective high-performance MEMS inertial sensor for high performance inertial system applications, digital square-wave output
ADXL212 - ± 2 g dual axis accelerometer with duty-cycle output
ADXL213 - Dual Axis Accelerometer with Duty-Cycle Modulated Output, ± 1.2 g
MEMSIC 2125 Dual-axis Accelerometer, measures ±3 g on each axis, enough for data for a wide variety of applications, simple pulse output of g-force for each axis is easy to read for most any microcontroller
Accelerometer Type BB - overload capability up to 20000 g, 5 VTTL frequency output signal total error <0.03% output frequency 8...19 kHz