Description
The HD74HC393 contain two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by-256 counter.
The HD74HC393 is incremented on the high to low transition (negative edge) of the clock input, and each has an independent clear input.
Features
- High Speed Operation: tpd (A to QA) = 16 ns typ (CL = 50 pF).
- High Output Current: Fanout of 10 LSTTL Loads.
- Wide Operating Voltage: VCC = 2 to 6 V.
- Low Input Current: 1 µA max.
- Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C).
- Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
HD74HC393P
DILP-14 pin
PRDP0014AB-B (DP-14AV)
P
HD74HC393FPEL SOP-14 pin (JEITA)
PRSP0014DF-B.