1 Features
• LSTTL input logic compatible
– VIL(max) = 0.8 V, VIH(min) = 2 V
• CMOS input logic compatible
– II ≤ 1 μA at VOL, VOH
• Buffered inputs
• 4.5 V to 5.5 V operation
• Wide operating temperature range:
-55°C to +125°C
• Supports fanout up to 10 LSTTL loads
• Significant power reduction compared to LSTTL
logic ICs

2 Applications
• Convert a momentary switch to a toggle switch
• Divide a clock signal by 2 or 4

3 Description
The CDx4HCT74-Q1 devices contain two
independent D-type positive-edge-triggered flip-flops
with asynchronous preset and clear pins for each.