Data Sheet
SN74LVC258A Quadruple 2-Line To 1-Line Inverting Data Selectors or Multiplexers With 3-State Outputs
1 Features
- Operating range from 1.1V to 3.6V
- Over-voltage tolerant inputs support up to 5.5V independent of VCC
- Supports partial-power-down with back drive protection (Ioff)
-
High push-pull output drive strength:
- ±24mA at 3.3V
- ±8mA at 2.3V
- ±4mA at 1.65V
- Maximum propagation delay of 6.4ns at 3.3V supply
- Latch-up performance exceeds
100mA
per JESD78
2 Applications
- Data selection
- Multiplexing
3 Description
The SN74LVC258A contains four 2-to-1 digital multiplexers with inverted outputs. The output enable (OE) and select (A/B) inputs control all channels.
Package
Information
| PART NUMBER | PACKAGE(1) | PACKAGE SIZE(2) | BODY SIZE (NOM)(3) |
|---|---|---|---|
| SN74LVC258A | D (SOIC, 16) | 9.9mm × 6mm | 9.9mm × 3.9mm |
| PW (TSSOP, 16) | 5mm × 6.4mm | 5mm × 4.4mm |
(1) For more information, see Section 11.
(2) The package size (length × width) is a nominal value and includes
pins, where applicable
(3) The body size (length × width) is a nominal value and does not
include pins.
Functional Diagram4 Pin Configuration and Functions
Figure 4-1 D or PW
Package,16-Pin SOIC or
TSSOP(Top View)Table 4-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| A/B | 1 | I | Select data source |
| 1A | 2 | I | Channel 1, input A |
| 1B | 3 | I | Channel 1, input B |
| 1Y | 4 | O | Channel 1, output Y |
| 2A | 5 | I | Channel 2, input A |
| 2B | 6 | I | Channel 2, input B |
| 2Y | 7 | O | Channel 2, output Y |
| GND | 8 | G | Ground |
| 3Y | 9 | O | Channel 3, output Y |
| 3B | 10 | I | Channel 3, input B |
| 3A | 11 | I | Channel 3, input A |
| 4Y | 12 | O | Channel 4, output Y |
| 4B | 13 | I | Channel 4, input B |
| 4A | 14 | I | Channel 4, input A |
| OE | 15 | I | Output enable, active low |
| VCC | 16 | P | Positive Supply |
(1) I = Input, O = Output, I/O =
Input or Output, G = Ground, P = Power.
