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CDCUN1208LP Datasheet(PDF) 6 Page - Texas Instruments |
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CDCUN1208LP Datasheet(HTML) 6 Page - Texas Instruments |
6 / 43 page CDCUN1208LP SCAS928 – MAY 2012 www.ti.com DIGITAL INPUT ELECTRICAL CHARACTERISTICS – OE (SCL), INSEL, ITTP, OTTP, DIVIDE (SDA/MOSI), ERC(ADDR/CS), MODE TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LVCMOS INPUT VIL1.8 Low level LVCMOS input voltage VDD = 1.8 V 0.7 V VIH1.8 High level LVCMOS input voltage VDD = 1.8 V 1.35 V VIOPEN1.8 OPEN level LVCMOS input voltage VDD = 1.8 V 0.9 1.2 V VIL2.5 Low level LVCMOS input voltage VDD = 2.5 V 0.7 V VIH2.5 High level LVCMOS input voltage VDD = 2.5 V 1.71 V VIOPEN2.5 OPEN level LVCMOS input voltage VDD = 2.5 V 1.0 1.6 V VIL3.3 Low level LVCMOS input voltage VDD = 3.3 V 1.0 V VIH3.3 High level LVCMOS input voltage VDD = 3.3 V 2.3 V VIOPEN3.3 OPEN level LVCMOS input voltage VDD = 3.3 V 1.3 1.9 V IIL Low level LVCMOS input current VDD = VDDmax, VILCMOS = 0 V –120 μA IIH High level LVCMOS input current VDD = VDDmax, VIHCMOS = 1.9 V 65 μA CI LVCMOS Input capacitance 6 pF VIK Digital input clamp voltage VDD = 1.7V, II = –18 mA –1.2 V UNIVERSAL INPUT (IN1, IN2) CHARACTERISTICS VDD = 1.8V, 2.5V, 3.3V, TA = –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SINGLE-ENDED MODE fIN1,2 Input frequency Single ended(1) 0.008 250 MHz VIH Input voltage - high 250 MHz 0.7 × VDD VDD V VIL Input voltage - low 250 MHz 0.2 × VDD V DIFFERENTIAL MODE fINDIFF Input frequency 0.008 400 MHz VDD = 2.5 V, 3.3 V 0.15 1.6 V |VIN-DIFF| Input swing VDD = 1.8 V 0.15 1 V ITTP = LVDS, VDD = 3.3 V 0.8 2.5 VCM Input common mode voltage ITTP = LVDS, VDD = 2.5 V, 1.8 V 0.8 VDD – 0.3 V ITTP = HCSL –0.15 0.75 GENERAL CHARACTERISTICS IIH Input current - high VDD = 3.63 V, VIH = 3.63 V 30 µA IIL Input current - low VDD = 3.63 V, VIL = 0 V –30 µA ΔV/ΔT Input edge rate 20%–80% 0.75 V/ns DCIN Input duty cycle 40 60% CIN Input capacitance 3.5 pF (1) When using an input in single-ended mode, ground the negative terminal (IN1N and/or IN2N) and drive the positive terminal (IN1P and/or IN2P). 6 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s) :CDCUN1208LP |
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