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HD74HC20

Hitachi Semiconductor
Part Number HD74HC20
Manufacturer Hitachi Semiconductor
Description Dual 4-input NAND Gates
Published Mar 23, 2005
Detailed Description HD74HC20 Dual 4-input NAND Gates Features • • • • • High Speed Operation: tpd = 9 ns typ (CL = 50 pF) High Output Curre...
Datasheet PDF File HD74HC20 PDF File

HD74HC20
HD74HC20


Overview
HD74HC20 Dual 4-input NAND Gates Features • • • • • High Speed Operation: tpd = 9 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) = 1 µA max (Ta = 25°C) Pin Arrangement 1A 1B NC 1C 1D 1Y GND 1 2 3 4 5 6 7 (Top view) 14 VCC 13 2D 12 2C 11 NC 10 2B 9 8 2A 2Y HD74HC20 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 10 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 — 1.
0 — Input current Quiescent supply current Iin I CC 6.
0 6.
0 2 HD74HC20 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Symbol Ta = –40 to +85°C Max 115 23 20 115 23 20 95 19 16 95 19 16 10 pF ns ns ns Unit ns Test Conditions VCC (V) Min Typ Max Min 2.
0 4.
5 6.
0 — — — — — — — — — — — — — — 10 — — 8 — — 5 — — 5 — 5 90 18 15 90 18 15 75 15 13 75 15 13 10 — — — — — — — — — — — — — Propagation delay t PLH time t PHL 2.
0 4.
5 6.
0 Output rise time t TLH 2.
0 4.
5 6.
0 Output fall time t THL 2.
0 4.
5 6.
0 Input capacitance Cin — 3 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.
...


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