Purchase M54/74HC40103, In-stock M54/74HC40103 From SeekIC.
Part Number: M54/74HC40103
Description: The M54/74HC40102/40103 are high speed CMOS 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS fabricated with silicon gate ...
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M54/74HC40103
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DataSheet
General Description
M54/74HC40103 General Description
The M54/74HC40102/40103 are high speed CMOS 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
The HC40102, and HC40103 consist of an 8-stage synchronous down counter with a single output which is active when the internal count is zero. The HC40102 is configured as two cascaded 4-bit BCD counters, and the HC40103 contains a single 8-bit binary counter. Each type has control inputs for enabling or disabling the clock, for clearing the counter to itsmaximum count, and for presetting the counter either synchronously or asynchronously. All control
inputs and the CARRY-OUT/ZERO-DETECT output are active-low logic. In normal operation, the counter is decremented by one count on each positive transition of the CLOCK. Counting is inhibited when the CARRY-IN/COUNTER ENABLE (CI/CE) input is high. The CARRY-OUT/ZERO-DETECT (CO/ZD) output goes low when the count reaches zero if the CI/CE input is low, and remains low for one full clock period. When the SYNCHRONOUS PRESET-ENABLE (SPE) input is low, data at the J input is clocked into the counter on the next positive clock transition regardless of the state of the CI/CE input.
M54/74HC40103 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VCC | Supply Voltage | -0.5 to +7 | V |
| VI | DC Input Voltage | -0.5 to VCC + 0.5 | V |
| VO | VO DC Output Voltage | -0.5 to VCC + 0.5 | V |
| IIK | DC Input Diode Current | ± 20 | mA |
| IOK | DC Output Diode Current | ± 20 | mA |
| IO | DC Output Source Sink Current Per Output Pin | ± 25 | mA |
| ICC or IGND | DC VCC or Ground Current | ± 50 | mA |
| PD | Power Dissipation | 500 (*) | mA |
| Tstg | Storage Temperature | -65 to +150 | oC |
| TL | Lead Temperature (10 sec) | 300 | oC |
M54/74HC40103 Features
HIGH SPEED fMAX = 40 MHz (TYP.) at VCC = 5V
LOWPOWER DISSIPATION ICC = 4 mA (MAX.) at TA = 25 °C
HIGH NOISE IMMUNITY VNIH= VNIL= 28%VCC(MIN.)
OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.)
BALANCEDPROPAGATION DELAYS tPLH = tPHL
WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V
PIN AND FUNCTION COMPATIBLE WITH 40102B/40103B
M54/74HC40103
PDF/DataSheet Download
- Datasheet: M54/74HC40103
- File Size: 308154 KB
- Manufacturer: STMicro
- Click here to Download
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