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STM1A60 Datasheet
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance.
STM1A60 Price

Limits
Symbol Parameter -5 -6 Unit
Min Max Min Max
twc Write cycle time 84 104 ns
tRAS /RAS low pulse width 50 10000 60 10000 ns
tCAS /CAS low pulse width 8 10000 10 10000 ns
tCSH /CAS hold time after /RAS low 35 40 ns
tRSH /RAS hold time after /CAS low 13 15 ns
twcs Write setup time before /CAS low (Note 24) 0 0 ns
tWCH Write hold time after /CAS low 8 10 ns
tCWL /CAS hold time afterIW low 8 10 ns
tRWL /RAS hold time afterIW low 8 10 ns
tWP Write pulse width 8 10 ns
tDS Data setup time before /CAS low orIW low 0 0 ns
tDH Data hold time after /CAS low orIW low 8 10 ns


STM1A60 on stock
VSD source-drain (diode forward) Is = 17 A; VGS = 0 V; voltage Figure 15 trr reverse recovery time Is = 20 A; dls/dt = -100 N~s VGS = -10 V; VDS = 30 V Qr recovered charge
If there are more than 16 clock pulses between successive LATCH pulses, then the data being loaded to the input shift register is assumed to be alarm current data. In this case, the AD421 accepts 17 bits of data into its shift register. For situa- tions where there are more than 17 clocks in the serial write operation (for example, 24 clocks in a 3 x 8-bit transfer from the serial port of a microcontroller) the AD421 simply accepts the last 17 bits of the serial write operation. Data transferred in this serial write operation is LSB last (i.e., the MSB is loaded on the 17th rising clock edge prior to the LATCH pulse). On the rising edge of the LATCH signal, the input shift register data is trans- ferred to the DAC latch in a 17-bit parallel transfer. In this case, the 17 bits of data in the DAC latch program the output current between o mA for all Os and 32 mA for all Is (see Table III). However, in practice the AD421 cannot reliably produce a current less than 3.5 mA or more than 24 mA.