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HD74HC4022

Hitachi Semiconductor
Part Number HD74HC4022
Manufacturer Hitachi Semiconductor
Description Octal Counters/Dividers
Published Mar 23, 2005
Detailed Description HD74HC4022 Octal Counters/Dividers Description The HD74HC4022 is a four-stage Johson octal counter with built-in code c...
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HD74HC4022
HD74HC4022


Overview
HD74HC4022 Octal Counters/Dividers Description The HD74HC4022 is a four-stage Johson octal counter with built-in code converter.
High speed operation and spike-free outputs are obtained by use of a Johson octal counter design.
The eight decoded outputs are normally low, and go high only at their appropriate octal time period.
The output changes occur on the positive-going edge of the clock pulse.
This part can be used in frequency division application as well as octal counter or octal decode display applications.
Features • • • • • High Speed Operation 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) Function Table Clock L X Clock Enable X H L X H X X X: Irrelevant n < 4 ··· Carry = H n ≥ 4 ··· Carry = L X Reset L L L L L L H Output n n n n+1 n n+1 n Q0 HD74HC4022 Pin Arrangement Q1 Q0 Q2 Q5 Q6 NC Q3 GND 1 2 3 4 5 6 7 8 (Top view) Q3 Q0 Q2 Q5 Q6 Q1 R C CE Cout Q4 Q7 16 VCC 15 Reset 14 Clock 13 Clock enable 12 Cout 11 Q4 10 Q7 9 NC Logic Diagram D CK R Q Q Q0 Q1 Q2 D CK R Q Q3 Q Q4 D CK R Q Q Q5 Q6 Q7 Clock enable Clock D CK R Q Q Cout Reset 2 HD74HC4022 DC Characteristics Ta = 25°C Item Input voltage Symbol VIH Ta = –40 to +85°C Max — — — 0.
5 1.
35 1.
8 — — — — — 0.
1 0.
1 0.
1 0.
33 0.
33 ±1.
0 40 µA µA I OL = 4 mA I OL = 5.
2 mA Vin = VCC or GND Vin = VCC or GND, Iout = 0 µA V I OH = –4 mA I OH = –5.
2 mA Vin = VIH or VIL I OL = 20 µA V Vin = VIH or VIL I OH = –20 µA V Unit V Test Conditions VCC (V) Min Typ Max Min 2.
0 4.
5 6.
0 1.
5 — 3.
15 — 4.
2 — — — — — — — — — — 0.
5 1.
5 3.
15 4.
2 — VIL 2.
0 4.
5 6.
0 1.
35 — 1.
8 — 1.
9 4.
4 5.
9 4.
13 5.
63 — — — Output voltage VOH 2.
0 4.
5 6.
0 4.
5 6.
0 1.
9 2.
0 — 4.
4 4.
5 — 5.
9 6.
0 — 4.
18 — 5.
68 — — — — — — — — — — VOL 2.
0 4.
5 6.
0 4.
5 6.
0 0.
0 0.
1 0.
0 0.
1 0.
0 0.
1 — — — — 0.
26 — 0.
26 — ±0.
1 — 4.
0 — Input current Quiescent supply current Iin I CC 6.
0 6.
0 3 HD74HC4022 AC Characteristics (C...


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