Overview
The MC74HC393ADR2G, produced by onsemi, is a dual 4-stage binary ripple counter. This device is part of the high-performance silicon-gate CMOS family and is identical in pinout to the LS393. It consists of two independent 4-bit binary ripple counters with parallel outputs from each counter stage. By cascading the two binary counters, a ÷ 256 counter can be achieved. The internal flip-flops are triggered by high-to-low transitions of the clock input, and the reset for the counters is asynchronous and active-high.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | –0.5 to +6.5 | V |
| DC Input Voltage (VIN) | –0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | –0.5 to VCC + 0.5 | V |
| Maximum Clock Frequency (fmax) | 10 to 50 MHz (depending on VCC) | MHz |
| Maximum Propagation Delay, Clock to Q1 (tPLH, tPHL) | 20 to 90 ns (depending on VCC) | ns |
| Operating Voltage Range | 2.0 to 6.0 V | V |
| Storage Temperature (TSTG) | –65 to +150 °C | °C |
| Lead Temperature (TL) | 260 °C (1 mm from case for 10 seconds) | °C |
| Junction Temperature Under Bias (TJ) | –150 °C | °C |
Key Features
- Output Drive Capability: 10 LSTTL Loads
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Low Input Current: 1 μA
- High Noise Immunity Characteristic of CMOS Devices
- In Compliance with the JEDEC Standard No. 7 A Requirements
- Chip Complexity: 236 FETs or 59 Equivalent Gates
- Pb-Free, Halogen Free, and RoHS Compliant
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
Applications
The MC74HC393ADR2G is suitable for a variety of applications, including:
- Digital counters and dividers in electronic circuits
- Timing and sequencing circuits
- Automotive systems requiring high reliability and compliance with automotive standards
- General-purpose digital logic circuits where high noise immunity and low power consumption are necessary
Q & A
- What is the MC74HC393ADR2G?
The MC74HC393ADR2G is a dual 4-stage binary ripple counter from onsemi, part of the high-performance silicon-gate CMOS family.
- What is the operating voltage range of the MC74HC393ADR2G?
The operating voltage range is from 2.0 to 6.0 V.
- How many counters does the MC74HC393ADR2G contain?
The device contains two independent 4-bit binary ripple counters.
- What is the maximum clock frequency of the MC74HC393ADR2G?
The maximum clock frequency ranges from 10 to 50 MHz, depending on the supply voltage.
- What type of reset does the MC74HC393ADR2G have?
The reset for the counters is asynchronous and active-high.
- Is the MC74HC393ADR2G compatible with other logic families?
Yes, the inputs are compatible with standard CMOS outputs and, with pullup resistors, they are compatible with LSTTL outputs.
- What is the thermal resistance of the MC74HC393ADR2G?
The thermal resistance varies depending on the package type, but for SOIC and TSSOP packages, it is specified in the datasheet.
- Is the MC74HC393ADR2G RoHS compliant?
Yes, the device is Pb-Free, Halogen Free, and RoHS Compliant.
- What are the storage and junction temperature limits for the MC74HC393ADR2G?
The storage temperature range is –65 to +150 °C, and the junction temperature under bias is –150 °C.
- What are some typical applications for the MC74HC393ADR2G?
Typical applications include digital counters, timing and sequencing circuits, automotive systems, and general-purpose digital logic circuits.
