HD74HC353 Dual 4-to-1-line Data Selectors/Multiplexers (with 3-state outputs) Description Each of these data selectors/multiplexers contains inverters and drivers to supply full binary decoding data selection to the AND-OR-invert gates. Separate strobe inputs (G) are provided for each of the two fourline sections. The three-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common output disabled (at a high-impedance state) the low-impedance of the single enable output will drive the bus line to a high or low logic level. Each output has its own strobe (G). The output is disabled when its strobe is high. Features • • • • • High Speed Operation: tpd (Data to Y) = 13 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) HD74HC353 Function Table Select Input Data Inputs Output Control Output B A C0 C1 C2 C3 G Y X X X X X X H Z L L L X X X L H L L H X X X L L L H X L X X L H L H X H X X L L H L X X L X L H H L X X H X L L H H X X X L L H H H X X X H L L Select inputs A and B are common to both sections Pin Arrangement Output 1G control 1 16 VCC Select B 2 15 Output 2G control 1C3 3 14 Select A 1C2 4 13 2C3 1C1 5 12 2C2 1C0 6 11 2C1 Output 1Y 7 10 2C0 GND 8 9 Output 2Y (Top view) 2 HD74HC353 Logic Diagram 1G 1C0 1Y 1C1 1C2 1C3 B A 2C0 2C1 2C2 2Y 2C3 2G 3 HD74HC353 DC Characteristics Ta = –40 to +85°C Ta = 25°C Item Symbol VCC (V) Min Typ Max Min Max Unit Input voltage VIH 2.0 1.5 — — 1.5 — V 4.5 3.15 — — 3.15 — 6.0 4.2 — — 4.2 — 2.0 — — 0.5 — 0.5 4.5 — — 1.35 — 1.35 6.0 — — 1.8 — 1.8 2.0 1.9 2.0 — 1.9 — 4.5 4.4 4.5 — 4.4 — 6.0 5.9 6.0 — 5.9 — 4.5 4.18 — — 4.13 — I OH = –4 mA 6.0 5.68 — — 5.63 — I OH = –5.2 mA 2.0 — 0.0 0.1 — 0.1 4.5 — 0.0 0.1 — 0.1 6.0 — 0.0 0.1 — 0.1 4.5 — — 0.26 — 0.33 I OL = 4 mA 6.0 — — 0.26 — 0.33 I OL = 5.2 mA VIL Output voltage VOH VOL Test Conditions V V V Vin = VIH or VIL I OH = –20 µA Vin = VIH or VIL I OL = 20 µA Input current Iin 6.0 — — ±0.1 — ±1.0 µA Vin = VCC or GND Quiescent supply current I CC 6.0 — — 4.0 40 µA Vin = VCC or GND, Iout = 0 µA 4 — HD74HC353 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = –40 to +85°C Ta = 25°C VCC (V) Min Typ Max Min Max Unit Test Conditions Propagation delay t PLH 2.0 — — 125 — 155 ns Data to Y time 4.5 — 13 25 — 31 6.0 — — 21 — 26 2.0 — — 160 — 200 ns A or B to Y 4.5 — 14 32 — 40 6.0 — — 27 — 34 Item Symbol t PHL Output enable t ZL 2.0 — — 100 — 125 time t ZH 4.5 — 8 20 — 25 6.0 — — 17 — 21 Output disable t LZ 2.0 — — 150 — 190 time t HZ 4.5 — 11 30 — 38 6.0 — — 26 — 33 Output rise/fall t TLH 2.0 — — 75 — 95 time t THL 4.5 — 5 15 — 19 6.0 — — 13 — 16 — — 5 10 — 10 Input capacitance Cin ns ns ns pF 5 Unit: mm 19.20 20.00 Max 1 7.40 Max 9 6.30 16 8 1.3 0.48 ± 0.10 2.54 Min 5.06 Max 2.54 ± 0.25 0.51 Min 1.11 Max 7.62 + 0.13 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Weight (reference value) DP-16 Conforms Conforms 1.07 g Unit: mm 10.06 10.5 Max 9 1 8 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.80 Max *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 5.5 16 0.20 7.80 +– 0.30 1.15 0° – 8° 0.70 ± 0.20 0.15 0.12 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DA — Conforms 0.24 g Unit: mm 9.9 10.3 Max 9 1 8 0.635 Max *0.42 ± 0.08 0.40 ± 0.06 0.15 *0.22 ± 0.03 0.20 ± 0.03 1.27 0.11 0.14 +– 0.04 1.75 Max 3.95 16 0.10 6.10 +– 0.30 1.08 0° – 8° 0.67 0.60 +– 0.20 0.25 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DN Conforms Conforms 0.15 g Cautions 1. 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