DATA SHEET
SNx4LVC540A Octal Buffers/Drivers with 3-State Outputs
1 Features
- Operate From 1.65 V to 3.6 V
- Inputs Accept Voltages to 5.5 V
- Max tpd of 5.3 ns at 3.3 V
- Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC = 3.3 V, TA = 25°C - Typical VOHV (Output VOH Undershoot)
> 2 V at VCC = 3.3 V, TA = 25°C - Support Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)
- Ioff Supports Live Insertion, Partial Power Down Mode, and Back Drive Protection
- Latch-Up Performance Exceeds 250 mA Per JESD 17
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
-
On Products Compliant to MIL-PRF-38535,
All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.
2 Applications
- Handset: Smartphone
- Network Switch
- Health and Fitness; Wearables
3 Description
The SN54LVC540A octal buffer/driver is designed for 2.7-V to 3.6-V VCC operation, and the SN74LVC540A octal buffer/driver is designed for 1.65-V to 3.6-V VCC operation.
Device Information(1)
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| SN74LVC540A | SIOC (20) | 12.80 mm × 7.50 mm |
| SO (20) | 12.60 mm × 5.30 mm | |
| SSOP (20) | 7.50 mm × 5.30 mm | |
| TVSOP (20) | 5.00 mm × 4.40 mm | |
| TSSOP (20) | 6.50 mm × 4.40 mm |
- For all available packages, see the orderable addendum at the end of the data sheet.
4 Simplified Schematic
5 Revision History
Changes from M Revision (May 2005) to N Revision
- Updated document to new data sheet standards.Go
- Deleted Ordering Information table.Go
- Added Military Disclaimer to Features list. Go
- Added Device Information table.Go
- Added Handling Ratings table. Go
- Changed MAX ambient temperature to 125°C.Go
- Added Thermal Information table.Go
- Added Typical Characteristics. Go
- Added Device and Documentation Support.Go
- Added ESD warning.Go
- Added Mechanical, Packaging, and Orderable Information.Go
6 Pin Configuration and Functions
Pin Functions
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| OE1 | 1 | I | Output enable |
| A1 | 2 | I | A1 input |
| A2 | 3 | I | A2 input |
| A3 | 4 | I | A3 input |
| A4 | 5 | I | A4 input |
| A5 | 6 | I | A5 input |
| A6 | 7 | I | A6 input |
| A7 | 8 | I | A7 input |
| A8 | 9 | I | A8 input |
| GND | 10 | – | Ground pin |
| Y8 | 11 | O | Y8 output |
| Y7 | 12 | O | Y7 output |
| Y6 | 13 | O | Y6 output |
| Y5 | 14 | O | Y5 output |
| Y4 | 15 | O | Y4 output |
| Y3 | 16 | O | Y3 output |
| Y2 | 17 | O | Y2 output |
| Y1 | 18 | O | Y1 output |
| OE2 | 19 | I | Output enable |
| VCC | 20 | – | Power pin |