SCDS173B August   2004  – August 2026 SN74CB3Q3251

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Description
  4. 3Pin Configuration and Functions
  5. 4Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 ESD Ratings
    3. 4.3 Recommended Operating Conditions #GUID-FEAB9663-D41F-43E9-95D4-0A9DDEC298BC/IDAZDF1D
    4. 4.4 Thermal Information
      1. 4.4.1 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Typical Characteristics
  6. 5Parameter Measurement Information
  7. 6Device and Documentation Support
    1. 6.1 Documentation Support
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Support Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  8. 7Revision History
  9. 8Mechanical, Packaging, and Orderable Information

4.5 Switching Characteristics

over recommended operating free-air temperature range (unless otherwise noted) (see Test Circuit and Voltage Waveforms)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCC = 2.5V
± 0.2V		 VCC = 3.3V
± 0.3V		 UNIT
MIN MAX MIN MAX
fOE or fS OE or S A or B 10 20 MHz
tpd(1) A or B B or A 0.12 0.18 ns
tpd(s)(2) S A 1.5

8.7

 1.5

6.8

 ns
ten S B 1.5

10.2

 1.5

7.6

 ns
OE A or B 1.5

10.4

 1.5

8
tdis S B 0.5

11

 0.5

7.4

 ns
OE A or B 0.5

10.8

 0.5

8.7
(1) Maximum switching frequency for control input (VO > VCC, VI = 5V, RL ≥ 1MΩ, CL = 0).
(2) The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance).
SN74CB3Q3251 Typical ron vs VI, VCC = 3.3V and IO = –15mA Figure 4-1 Typical ron vs VI, VCC = 3.3V and IO = –15mA
SN74CB3Q3251 Typical ICC vs OE or S Switching Frequency, VCC = 3.3V Figure 4-2 Typical ICC vs OE or S Switching Frequency, VCC = 3.3V