ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：54LS669 SYNCHRONOUS 4-BIT UP/DOW
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Direction：-
- Number of Elements：-
- Number of Bits per Element：-
- Reset：-
- Timing：-
- Count Rate：-
- Trigger Type：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - Supply：-
- Grade：-
- Qualification：-
Download product information
Overview
The SNJ54LS669J is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 4.75V to 5.25V and supports an operating temperature range of -55°C to 125°C, meeting military rating standards. The device features a 16-pin CDIP package with bidirectional counting capability. Key electrical characteristics include a maximum load capacitance of 45 pF. It utilizes LS series technology for high-speed operation.
Feature Summary
- Synchronous presettable design with internal carry look-ahead for cascading
- Military-grade reliability with extended temperature range support
- Bidirectional counting functionality for up or down operations
Applications
- High-speed counting applications requiring cascaded configurations
- Military electronic systems demanding extended temperature tolerance
- Binary counter circuits in aerospace instrumentation
Procurement Notes
Verify the component matches the specific military grade requirements and package type. Confirm the operating temperature range aligns with system specifications. Ensure the supply voltage parameters are compatible with the target circuit design before integration.
Selection Notes
Select this component when synchronous binary counting with internal carry look-ahead is required. Consider the military rating and wide temperature range for harsh environments. Verify compatibility with LS series logic families for interface matching.
Part Context
This part belongs to the SN54LS669 family of synchronous counters. It shares functional similarities with other LS series devices but offers specific military-grade performance. The device is designed for applications requiring reliable binary counting in demanding conditions.
Replacement Considerations
SN54LS669J.A is a confirmed substitute variant within the same product line.
