STMicroelectronics TS556IDTTR, CMOS Timer, Dual 2.7MHz, 14-Pin SO

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Legislation and Compliance
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Product Details

The TS556 is a dual CMOS timer which offers a very low consumption: (Icc(TYP)TS556 = 220 μA at VCC = 5 V versus Icc(TYP) NE556(a)= 6 mA), and high frequency:(f(max.)TS556 = 2.7 MHz versus f(max.)NE556(a)= 0.1 MHz). In both monostable and astable modes, timing remains very accurate. The TS556 provides reduced supply current spikes during output transitions, which enables the use of lower decoupling capacitors compared to those required by bipolar NE556(a). Due to the high input impedance (1012 Ω), timing capacitors can also be minimized.

Very low power consumption:
220 μA typ at VCC= 5 V
180 μA typ at VCC= 3 V
High maximum astable frequency 2.7 MHz
Pin-to-pin and functionally compatible with bipolar NE5561
Wide voltage range: 2 V to 16 V
Supply current spikes reduced during output transitions
High input impedance: 1012Ω
Output compatible with TTL, CMOS and logic MOS

Attribute Value
Mounting Type Surface Mount
Package Type SO
Number of Internal Timers 2
Pin Count 14
Maximum Input Frequency 2.7MHz
Minimum Operating Supply Voltage 2 V
Maximum Operating Supply Voltage 16 V
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +125 °C
Maximum Low Level Output Current 8mA
Maximum High Level Output Current -2mA
Maximum Propagation Delay Time @ Maximum CL 100 ns @ 10 pF
Length 8.75mm
Propagation Delay Test Condition 10pF
Dimensions 8.75 x 4 x 1.65mm
Width 4mm
Height 1.65mm
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