SN74LS07 Hex Buffers / Drivers with Open-Collector High-Voltage Outputs |

SN74LS07 (ACTIVE) Hex Buffers / Drivers with Open-Collector High-Voltage Outputs



These hex buffers and drivers feature high-voltage open-collector outputs to interface with high-level circuits or for driving high-current loads. They are also characterized for use as buffers for driving TTL inputs. The SN74LS07 devices have a rated output voltage of 30 V. The maximum sink current is 40 mA.

These circuits are compatible with most TTL families. Inputs are diode-clamped to minimize transmission-line effects, which simplifies design. Typical power dissipation is 140 mW, and average propagation delay time is 12 ns.


  • Convert TTL Voltage Levels to MOS Levels
  • High Sink-Current Capability
  • Input Clamping Diodes Simplify
    System Design
  • Open-Collector Driver for Indicator Lamps
    and Relays


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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Channels (#) IOL (Max) (mA) IOH (Max) (mA) ICC (uA) Input type Output type Features Data rate (Mbps) Rating Operating temperature range (C) Package Group
SN74LS07 Order now LS     4.75     5.25     6     40     0     45000     Bipolar     Open-Collector     High speed (tpd 10-50ns)
Input clamp diode    
70     Catalog     0 to 70     PDIP | 14
SOIC | 14
SO | 14
SSOP | 14