Key facts
- Model
- MM74C90
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-07
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National Semiconductor MM54C90/MM74C90 4-Bit Decade Counter MM54C93/MM74C93 4-Bit Binary Counter handbook
This document is a datasheet for the MM54C90/MM74C90 4-bit decade counter and the MM54C93/MM74C93 4-bit binary counter. These complementary MOS (CMOS) integrated circuits are constructed with N- and P-channel enhancement mode transistors and feature a wide supply voltage range from 3V to 15V.
Read onlineNational Semiconductor MM74C90 specifications
| Supply Voltage Range | 3V to 18V |
|---|---|
| Maximum Output Voltage (OFF) | 30V |
| Minimum Source Current | 250 mA |
| Operating Temperature Range | -40°C to +85°C |
Source: National Semiconductor MM74C908/MM74C918 Dual CMOS Relay Driver Datasheet
All National Semiconductor MM74C90 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating temperature range for the MM54C90 and MM54C93 models?
The operating temperature range for these models is from -58°C to +125°C.
What is the maximum voltage the device can withstand in the OFF state?
The outputs can withstand a maximum of 30V across the device in the OFF state.
From: National Semiconductor MM74C908/MM74C918 Dual CMOS Relay Driver Datasheet
What is the minimum source current capability?
The drivers are capable of sourcing a minimum of 250 mA at VOUT = VCC - 3V and Tj = 65°C.
From: National Semiconductor MM74C908/MM74C918 Dual CMOS Relay Driver Datasheet
What is the supply voltage range for these buffers?
The buffers operate with a supply voltage range of 3.0V to 15V.
Do these buffers support TTL compatibility?
Yes, they provide direct interface from CMOS to TTL or CMOS operating at a reduced V CC supply.