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HD74HC4024 Dataheets PDF



Part Number HD74HC4024
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description 7-stage Binary Counter
Datasheet HD74HC4024 DatasheetHD74HC4024 Datasheet (PDF)

HD74HC4024 7-stage Binary Counter Description The HD74HC4024 is a 7-stage counter. This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on its reset input. Features • • • • • High Speed Operation: tpd (Clock to Q1) = 14 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 (stat.

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HD74HC4024 7-stage Binary Counter Description The HD74HC4024 is a 7-stage counter. This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on its reset input. Features • • • • • High Speed Operation: tpd (Clock to Q1) = 14 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) Function Table Clock L L H H Reset L H L H L H L H Outputs State No change All outputs are low No change All outputs are low No change All outputs are low Advance to next state All outputs are low HD74HC4024 Pin Arrangement Clock Reset Q7 Q6 Q5 Q4 GND 1 2 3 4 5 6 7 (Top view) R Q7 Q6 Q5 Q4 Q3 C 14 13 Q1 Q2 12 11 10 9 8 VCC NC Q1 Q2 NC Q3 NC Block Diagram Clock C Q C Q C Q C Q R Reset Q R Q R Q R Q Q1 Q2 Q6 Q7 2 HD74HC4024 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 HD74HC4024 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Maximum clock frequency Symbol f max Ta = –40 to +85°C Max 4 20 24 230 46 39 230 46 39 230 46 39 — — — — — — 95 19 16 10 pF ns ns ns ns Reset to output ns Clock to Q1 ns Clock to Q1 Unit MHz Test Conditions VCC (V) Min Typ Max Min 2.0 4.5 6.0 — — — — — — — — — — — — — — — — 14 — — 14 — — 13 — 5 25 29 — — — Propagation delay t PLH time 2.0 4.5 6.0 185 — 37 31 — — t PHL 2.0 4.5 6.0 185 — 37 31 — — t PHL 2.0 4.5 6.0 185 — 37 31 — — — — — — 75 15 13 10 — — 125 25 21 100 20 17 — — — — Removal time t rem 2.0 4.5 6.0 100 — 20 17 80 16 14 — — — — 0 — — 4 — — 5 — 5 Pulse width tw 2.0 4.5 6.0 Output rise/fall time t TLH t THL 2.0 4.5 6.0 Input capacitance Cin — 4 Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39 Max 1.30 7 7.62 0.51 Min 2.54 Min 5.06 Max 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° + 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) DP-14 Conforms Conforms 0.97 g Unit: mm 10.06 10.5 Max 14 8 5.5 1 7 *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 7.80 – 0.30 1.15 0° – 8° + 0.20 1.42 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.70 ± 0.20 0.15 0.12 M Hitachi Code JEDEC EIAJ Weight (reference value) FP-14DA — Conforms 0.23 g *Dimensio.


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