SN74AHC8541 8-BIT INVERTING/NONINVERTING SCHMITT-TRIGGER BUFFERS W/3-STATE OUT datasheet (Texas Instruments) - 4

HerstellerTexas Instruments
Beschreibung8-bit Inverting/Non-Inverting Schmitt-Trigger Buffer With 3-state Outputs
Seiten / Seite8 / 4 — SN74AHC8541. www.ti.com. ELECTRICAL CHARACTERISTICS. PARAMETER. TEST …
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DokumentenspracheEnglisch

SN74AHC8541. www.ti.com. ELECTRICAL CHARACTERISTICS. PARAMETER. TEST CONDITIONS. VCC. MIN. TYP(1). MAX. UNIT. SWITCHING CHARACTERISTICS. FROM

SN74AHC8541 www.ti.com ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT SWITCHING CHARACTERISTICS FROM

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SN74AHC8541
SCLS716 – APRIL 2009 ...
www.ti.com ELECTRICAL CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT
3.3 V 2.31 Positive-going input threshold VT+ D V voltage 5 V 3.5 3.3 V 0.99 Negative-going input VT– D V threshold voltage 5 V 1.5 3.3 V 0.33 1.32 ΔVT Hysteresis (VT+ – VT–) D V 5 V 0.5 2 IOH = –50 µA 2 V 1.9 VOH High-level output voltage IOH = –6 µA 3 V 2.48 V IOH = –12 µA 4.5 V 3.8 IOL = 50 µA 2 V 0.1 VOL Low-level output voltage IOL = 6 µA 3 V 0.44 V IOL = 12 µA 4.5 V 0.55 II Input current VI = 5.5 V or GND 0 V to 5.5 V ±1 µA IOZ OFF-state output current VO = VCC or GND 5.5 V ±5 µA ICC Supply current VI = VCC or GND, IO = 0 A 5.5 V 20 µA CI Input capacitance VI = VCC or GND 5 V 3 pF CO Output capacitance VO = VCC or GND 5 V 5 pF Cpd Power disspation capacitance f = 1 MHz, no load 5 V 15 pF (1) All typical values are at TA = 25°C.
SWITCHING CHARACTERISTICS
VCC = 3.3 V ±0.3 V, TA = –40°C to 85°C, see Figure 1
FROM TO LOAD PARAMETER MIN TYP MAX UNIT (INPUT) (OUTPUT) CAPACITANCE
CL = 15 pF 1 15 29 D CL = 50 pF 1 18 34 tpd Propagation delay time Y ns CL = 15 pF 1 16 30 T/C CL = 50 pF 1 20 36 CL = 15 pF 1 9 16 ten Enable time OE Y ns CL = 50 pF 1 11 20 CL = 15 pF 1 8 14 tdis Disable time OE Y ns CL = 50 pF 1 11 18
SWITCHING CHARACTERISTICS
VCC = 5 V ±0.5 V, TA = –40°C to 85°C, see Figure 1
FROM TO LOAD PARAMETER MIN TYP MAX UNIT (INPUT) (OUTPUT) CAPACITANCE
CL = 15 pF 1 10 16 D CL = 50 pF 1 12 20 tpd Propagation delay time Y ns CL = 15 pF 1 11 17 T/C CL = 50 pF 1 13 21 CL = 15 pF 1 6 10.5 ten Enable time OE Y ns CL = 50 pF 1 8 12.5 CL = 15 pF 1 6 10 tdis Disable time OE Y ns CL = 50 pF 1 8 11.5 4 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): SN74AHC8541 Document Outline FEATURES DESCRIPTION ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SWITCHING CHARACTERISTICS NOISE CHARACTERISTICS PARAMETER MEASUREMENT INFORMATION