PDF M54HC258 Data sheet ( Hoja de datos )

Número de pieza	M54HC258
Descripción	HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE/ INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
Fabricantes	ST Microelectronics
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No Preview Available ! M54/M74HC257 M54/M74HC258 HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) HC258 QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING) . HIGH SPEED tPD = 10 ns (TYP.) at VCC = 5 V . LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C . HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) . OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS . SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 6 mA (MIN.) . BALANCED PROPAGATION DELAYS tPLH = tPHL . WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V . PIN AND FUNCTION COMPATIBLE WITH 54/74LS257/258 B1R (Plastic Package) F1R (Ceramic Package) M 1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R PIN CONNECTIONS (top view) HC257 DESCRIPTION The M54/74HC257 and the M54/74HC258 are high speed CMOS MULTIPLEXERs fabricated with sili- con gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power con- sumption. These IC’s are composed of an independent 2- channel multiplexer with common SELECT and EN- ABLE INPUT. The M54/74HC258 is an inverting multiplexer while the M54/74HC257 is a non-inverting multiplexer. When the ENABLE INPUT is held ”High”, outputs of both IC’s become high-impedance state. If SELECT INPUT is held ”Low”, ”A” data is selected, when SE- LECT INPUT is high ”H”, ”B” data is chosen. All inputs are equipped with protection circuits against static discharge and transient excess volt- age. October 1992 HC258 1/12 1 page M54/M74HC257/258 DC SPECIFICATIONS Symbol Parameter VIH High Level Input Voltage VIL Low Level Input Voltage VOH High Level Output Voltage VOL Low Level Output Voltage II Input Leakage Current IOZ Output Leakage Current ICC Quiescent Supply Current Test Conditions VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 VI = VIH IO=-20 µA 6.0 or 4.5 VIL IO=-6.0 mA 6.0 IO=-7.8 mA 2.0 4.5 VI = VIH IO= 20 µA 6.0 or 4.5 VIL IO= 6.0 mA 6.0 IO= 7.8 mA 6.0 VI = VCC or GND TA = 25 oC 54HC and 74HC Min. Typ. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 2.0 4.4 4.5 5.9 6.0 4.18 4.31 5.68 5.8 0.0 0.1 0.0 0.1 0.0 0.1 0.17 0.26 0.18 0.26 ±0.1 Value -40 to 85 oC 74HC Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 ±1 -55 to 125 oC 54HC Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 ±1 6.0 VI = VIH or VIL VO = VCC or GND 6.0 VI = VCC or GND ±0.5 ±5 ±10 4 40 80 Unit V V V V µA µA µA 5/12 5 Page DIM. A B D d1 d2 E e e3 F G M M1 M54/M74HC257/258 MIN. 9.78 8.89 4.2 7.37 PLCC20 MECHANICAL DATA mm TYP. 2.54 0.56 1.27 5.08 0.38 1.27 1.14 MAX. 10.03 9.04 4.57 MIN. 0.385 0.350 0.165 8.38 0.290 0.101 inch TYP. 0.100 0.022 0.050 0.200 0.015 0.050 0.045 MAX. 0.395 0.356 0.180 0.330 0.004 P027A 11/12 11 Page

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