SCHS287C December   2023  – May 2024 CD54AC240 , CD54AC244 , CD54ACT240 , CD54ACT241 , CD54ACT244 , CD74AC240 , CD74AC244 , CD74ACT240 , CD74ACT241 , CD74ACT244

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Static Electrical Characteristics: AC Series
    5. 4.5 Electrical Characteristics: ACT Series
    6. 4.6 Switching Characteristics: AC Series
    7. 4.7 Switching Characteristics: ACT Series
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • N|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4.5 Electrical Characteristics: ACT Series

CHARACTERISTICS TEST CONDITIONS VCC (V) AMBIENT TEMPERATURE (TA) - °C UNIT
+25 -40 to +85 -55 to +125
VI (V) IO (mA) MIN MAX MIN MAX MIN MAX
VIH High-Level Input Voltage 4.5 to 5.5 2 — 2 — 2 — V
VIL Low-Level Input Voltage 4.5 to 5.5 — 0.8 — 0.8 — 0.8 V
VOH High-Level Output Voltage VIH or VIL -0.05 4.5 4.4 — 4.4 — 4.4 — V
-24 4.5 3.94 — 3.8 — 3.7 —
(1) , (2) -75 5.5 — — 3.85 — — —
-50 5.5 — — — — 3.85 —
VOL Low-Level Output Voltage VIH or VlL 0.05 4.5 — 0.1 — 0.1 — 0.1 V
24 4.5 — 0.36 — 0.44 — 0.5
(1) , (2) 75 5.5 — — — 1.65 — —
50 5.5 __ __ — — — 1.65
II Input Leakage Current VCC or GND 5.5 — ±0.1 — ±1 — ±1 μA
IOZ 3-State Leakage Current VIH or VIL VO = VCC or GND 5.5 — ±0.5 — ±5 — ±10 μA
ICC Quiescent Supply Current, MSI VCC or GND 0 5.5 — 8 — 80 — 160 μA
Additional Quiescent Supply Current per Input Pin Vcc-2.1 4.5 to 5.5 — 2.4 — 2.8 — 3 mA
ΔICC TTL Inputs High
1 Unit Load
(1) Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize power dissipation.
(2) Test verifies a minimum 50-ohm transmission-line-drive capability at +85°C. 75 ohms at +125°C.
Table 4-1 Act Input Loading Tables
CD54/74ACT240
INPUT UNIT LOADS (1)
nA0 - A3 1.42
10Ε 0.83
20E 0.83
CD54/74ACT241
INPUT UNIT LOADS (1)
nA0 - A3 0.5
10E 0.83
20E 1.67
CD54/74ACT244
INPUT UNIT LOADS (1)
nA0 - A3 0.5
10E 0.83
20E 0.83
(1) Unit load is ΔICC limit specified in Static Characteristics Chart, e.g., 2.4 mA max. @ 25°C.