CD4516BF3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
CD4516BF3A is a 4-bit bidirectional binary counter from Texas Instruments in the 4000 CMOS logic family, housed in a 16-pin ceramic DIP package with preset inputs and a carry-out output. It counts up or down and supports cascading for wider counters. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD4516BF3A Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD4516BF3A?
- Bidirectional 4-bit binary counter with up/down counting capability and preset inputs for programmable initial count values in timing and sequencing circuits
- Carry-out (TCO) output enabling direct cascade of multiple CD4516 stages to build 8-bit, 12-bit, or wider synchronous counter chains
- Ceramic 16-pin DIP package from the 4000 CMOS family offering reliable operation across the full -55°C to +125°C military temperature range
What is CD4516BF3A used for?
The CD4516BF3A is used in digital timing circuits, frequency dividers, and programmable event counters in industrial and military electronics where a presettable bidirectional 4-bit counter is required. Its up/down counting and carry-out output allow multiple devices to be cascaded for extended counter widths without additional logic, suiting applications in rotary encoder interfaces, position tracking, and BCD-to-binary conversion chains. The ceramic DIP package makes it a preferred choice for high-reliability designs in aerospace, defence, and automotive systems.
What are the specifications of CD4516BF3A?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | TCO OUTPUT |
| Count Direction | BIDIRECTIONAL |
| Family | 4000/14000/40000 |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 2000000Hz |
| Max I(ol) | 0.0015A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 4 |
| Number of Functions | 1 |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.03mA |
| Prop. Delay@Nom-Sup | 200ns |
| Propagation Delay (tpd) | 400ns |
| Qualification Status | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 5.5MHz |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the CD4516BF3A datasheet?
CD4516BF3A Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD4516BF3A?
Compatible alternatives and drop-in replacements for CD4516BF3A:
Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, CDIP16
Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16
Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16
Frequently Asked Questions
Can the CD4516BF3A count in both directions, and how is the count direction selected?
Yes, the CD4516BF3A is a bidirectional 4-bit binary counter that counts up or down based on the logic level on its UP/DOWN control input. A HIGH on the UP/DOWN pin selects up-counting through the 16-state binary sequence, while a LOW selects down-counting. This allows the same device to serve as both an incrementing and a decrementing counter in position-tracking or timing circuits.
How does the carry-out output of CD4516BF3A enable cascading for wider counter designs?
The CD4516BF3A provides a TCO (terminal count output) carry-out pin that goes active when the counter reaches its terminal count—15 on up-count or 0 on down-count. Connecting this TCO to the clock-enable or clock input of an adjacent CD4516BF3A stage extends the counter width to 8 bits or beyond, allowing multi-stage ripple or synchronous counters with 50 pF load capacitance per output.
What operating temperature range does the ceramic CD4516BF3A package support in high-reliability applications?
The CD4516BF3A is housed in a 16-pin ceramic DIP (R-GDIP-T16) package, which supports an extended operating temperature range of -55°C to +125°C, meeting MIL-grade requirements. This makes it suitable for aerospace avionics, military ground equipment, and oil-field instrumentation where plastic packages would fail under thermal cycling or moisture exposure.
Does CD4516BF3A support preset loading, and in which control applications is that feature critical?
The CD4516BF3A includes preset (LOAD) inputs that let the designer jam a 4-bit binary word into the counter on demand, bypassing the sequential count. This is critical in programmable-delay timers, frequency-synthesis dividers, and PWM period-control circuits where the counter must restart from a non-zero initial value—such as resetting to decimal 10 in a divide-by-6 prescaler built from a 4-bit binary counter.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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