5 Parameter Measurement Information

CD54AC373 CD74AC373 CD54ACT373 CD74ACT373 Simultaneous Switching Transient Waveforms.

A. V_OHV AND V_OLP ARE MEASURED WITH RESPECT TO A GROUND REFERENCE NEAR THE OUTPUT UNDER TEST.

B. INPUT PULSES HAVE THE FOLLOWING CHARACTERISTICS: PRR ≤ 1 MHz, t_r = 3 ns, t_f = 3 ns, SKEW 1 ns.

C. R.F. FIXTURE WITH 700-MHz DESIGN RULES REQUIRED. IC SHOULD BE SOLDERED INTO TEST BOARD ANO BYPASSED WITH 0.1 μF CAPACITOR. SCOPE AND PROBES REQUIRE 700-MHz BANDWIDTH.

D. 92CS-42406

Figure 5-1 Simultaneous Switching Transient Waveforms.

CD54AC373 CD74AC373 CD54ACT373 CD74ACT373 Three-state Propagation Delay Waveforms and Test Circuit.

Figure 5-2 Three-state Propagation Delay Waveforms and Test Circuit.

CD54AC373 CD74AC373 CD54ACT373 CD74ACT373 Data to Qn Output Propagation Delays and
Output Transition Times.

Figure 5-3 Data to Qn Output Propagation Delays and Output Transition Times.

CD54AC373 CD74AC373 CD54ACT373 CD74ACT373 Latch Enable Propagation Delays.

Figure 5-4 Latch Enable Propagation Delays.

CD54AC373 CD74AC373 CD54ACT373 CD74ACT373 Latch Enable Prerequisite Times.

Figure 5-5 Latch Enable Prerequisite Times.

	CD54/74AC	CD54/74ACT
Input Level	V_CC	3 V
Input Switching Voltage, V_S	0.5 V_CC	1.5 V
Output Switching Voltage, V_S	0.5 V_CC	0.5 V_CC