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74F269
Datasheet
(Product Specification)
05-Jan-96, 14 pages, 129 kB
General description
The 74F269 is a fully synchronous 8-stage Up/Down Counter featuring a preset capability for programmable operation, carry look-ahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the rising edge of the clock.
Features
- Synchronous counting and loading
- Built-in look-ahead carry capability
- Count frequency 115MHz typ
- Supply current 95mA typ
Products/packages
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking | ECCN |
|---|---|---|---|---|---|---|---|
| N74F269D | N74F269D,602 | 9337 842 50602 | Volume production | SOT137 | Tube (Signetics) | Standard Marking | |
| N74F269D | N74F269D,623 | 9337 842 50623 | Volume production | SOT137 | Reel Pack, SMD, 13" (Signetics) | Standard Marking | |
| N74F269DB | N74F269DB,112 | 9352 420 10112 | Volume production | SOT340-1
(SSOP24) | Tube | Standard Marking | |
| N74F269DB | N74F269DB,118 | 9352 420 10118 | Volume production | SOT340-1
(SSOP24) | Reel Pack, SMD, 13" | Standard Marking |
Quality/reliability/chemical content
| Type number | Orderable part number | Chemical content | RoHS | Leadfree Conversion date | RHF | IRF (FIT) | MTBF (hours) | MSL |
|---|---|---|---|---|---|---|---|---|
| N74F269D | N74F269D,602 | N74F269D |
| week 50, 2004 | 5,63 | 1,78E+08 | 1 | |
| N74F269D | N74F269D,623 | N74F269D |
| week 50, 2004 | 5,63 | 1,78E+08 | 1 | |
| N74F269DB | N74F269DB,112 | N74F269DB |
| week 12, 2005 | 5,63 | 1,78E+08 | 1 | |
| N74F269DB | N74F269DB,118 | N74F269DB |
| week 12, 2005 | 5,63 | 1,78E+08 | 1 |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Orderable part number | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|---|
| N74F269D | 9337 842 50602 | N74F269D,602 | 1.5400 | not available | ||||||
| N74F269D | 9337 842 50623 | N74F269D,623 | 1.5400 | Order samples | ||||||
| N74F269DB | 9352 420 10112 | N74F269DB,112 | 2.1900 | NA | DIGI-KEY CORPORATION | 51 | 11/20/2009 | Buy online | not available | |
| N74F269DB | 9352 420 10118 | N74F269DB,118 | 2.1900 | not available |
Design support
Application Notes
AN216;
Arbitration in shared resource systems (1988-07-18)AN203;
Test Fixtures for High Speed Logic (1998-04-02)AN202;
Testing and specifying FAST logic (1987-06-01)Parametrics/similar products
| Type number | Package | Description | Fmax(MHz) | Propagation Delay(ns) | Voltage | No. of Pins | Logic Switching Levels | Output Drive Capability |
|---|---|---|---|---|---|---|---|---|
| N74F269D | SOT137
| 8-Bit Bidirectional Binary Counter | 115 | 6.5 | 4.5-5.5 V | 24 | TTL | -1/+20 mA |
| N74F269DB | SOT340-1
(SSOP24) | 8-Bit Bidirectional Binary Counter | 115 | 6.5 | 4.5-5.5 V | 24 | TTL | -1/+20 mA |
Similar products
74F269
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