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M2087 Datasheet(PDF) 11 Page - Integrated Circuit Systems |
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M2087 Datasheet(HTML) 11 Page - Integrated Circuit Systems |
11 / 14 page M2080/81/82 Datasheet Rev 0.4 11 of 14 Revised 30Jul2004 Integr ated Circuit Systems , Inc. ● Netw o r ki ng & C o mmun ica t io ns ● ww w. icst.com ● tel (5 08) 85 2-54 00 M2080/81/82, M2085/86/87 VCSO FEC PLL WITH AUTOSWITCH FOR SONET/OTN Preliminar y In f o r m atio n Integrated Circuit Systems, Inc. ELECTRICAL SPECIFICATIONS DC Characteristics Unless stated otherwise, V CC = 3.3V +5%,TA = 0 oC to +70 oC (commercial), T A = -40 oC to +85 oC (industrial), F VCSO = FOUT = 622-675MHz, LVPECL outputs terminated with 50 Ω to V CC - 2V Symbol Parameter Min Typ Max Unit Conditions Power Supply V CC Positive Supply Voltage 3.135 3.3 3.465 V I CC Power Supply Current 175 225 mA All Differential Inputs V P -P Peak to Peak Input Voltage DIF_REF0, nDIF_REF0, DIF_REF1, nDIF_REF1 0.15 V V CMR Common Mode Input 0.5 Vcc - .85 V C IN Input Capacitance 4 pF Differential Inputs with Pull-down I IH Input High Current (Pull-down) DIF_REF0, DIF_REF1 150 µA V CC = VIN = 3.456V I IL Input Low Current (Pull-down) -5 µA Rpulldown Internal Pull-down Resistance 50 k Ω Differential Inputs Biased to VCC/2 1 Note 1: Biased to Vcc/2, with 50k Ω to Vcc and 50kΩ to ground. See Figure 4, Input Reference Clocks, on pg. 5 I IH Input High Current (Biased) 1 nDIF_REF0, nDIF_REF1 150 µA V IN = 0 to 3.456V I IL Input Low Current (Biased) 1 -150 µA Rbias Biased to Vcc/2 1 (Note 1) k Ω All LVCMOS / LVTTL Inputs V IH Input High Voltage AUTO, REF_SEL, FIN_SEL1, FIN_SEL0, FEC_SEL1, FEC_SEL0, P_SEL2, P_SEL1, P_SEL0, NBW 2 Vcc + 0.3 V V IL Input Low Voltage -0.3 0.8 V C IN Input Capacitance 4 pF LVCMOS / LVTTL Inputs with Pull-down I IH Input High Current (Pull-down) AUTO, REF_SEL, FIN_SEL1, FIN_SEL0, FEC_SEL1, FEC_SEL0, P_SEL2, P_SEL1, P_SEL0 150 µA V CC = VIN = 3.456V I IL Input Low Current (Pull-down) -5 µA Rpulldown Internal Pull-down Resistance 50 k Ω LVCMOS / LVTTL Inputs with Pull-UP I IH Input High Current (Pull-UP) NBW 5 µA V CC = 3.456V V IN = 0 V I IL Input Low Current (Pull-UP) -150 µA Rpullup Internal Pull-UP Resistance 50 k Ω Differential Output V OH Output High Voltage FOUT, nFOUT Vcc - 1.4 Vcc - 1.0 V V OL Output Low Voltage Vcc - 2.0 Vcc - 1.7 V V P -P Peak to Peak Output Voltage 2 Note 2: Single-ended measurement. See Figure 6, Output Rise and Fall Time, on pg. 12. 0.4 0.85 V LVCMOS Outputs V OH Output High Voltage LOL, REF_ACK 2.4 V CC V I OH= 1mA V OL Output Low Voltage GND 0.4 V I OL= 1mA Table 14: DC Characteristics |
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