Rainbow-electronics DS2188 Instrukcja Użytkownika

Copyright 1995 by Dallas Semiconductor Corporation.All Rights Reserved. For important information regardingpatents and other intellectual property r

DS2188021997 10/11DS2188 T1/CEPT JITTER ATTENUATOR 16–PIN DIPABCEFGHJKD1DIM MIN MAX16–PINPKGA IN.MMB IN.MMC IN.MMD IN.MME IN.MMF IN.MMG IN.MMH IN.MMJ

DS2188021997 11/11DS2188S T1/CEPT JITTER ATTENUATOR 16–PIN SOICE IN.MMF IN.MMG IN.MMH IN.MMJ IN.MMK IN.MM0.0040.1020.0120.300.0942.380.1052.680.39810.

DS2188021997 2/11OVERVIEWThe RCLK input is fed to a 128 x 2–bit FIFO where itdrives the write pointer for the positive (RPOS) and neg-ative (RNEG) dat

0 dB–20 dB–40 dB–60 dB1JITTER ATTENUATION (dB)10 100 10K 100K1KFREQUENCY (Hz)40 HzNOMINAL DS2188PERFORMANCEG.742G.735DS2188021997 3/11DS2188 T1 JITTER

DS2188021997 4/11DS2188 IN THE RECEIVE PATH Figure 3RSTDS2187 DS2188RTIPRRINGRCLKRPOSRNEGRCLKRPOSRNEGRRCLKRRPOSRRNEGXTAL1XTAL2XTAL OUTBLTESTBDSDJATO D

DS2188021997 5/11PIN DESCRIPTION Table 1PIN SYMBOL TYPE DESCRIPTION1 DJA I Disable Jitter Attenuation. When high, jittered data and clockat RPOS, RNEG

DS2188021997 6/11CRYSTAL REQUIREMENTSThe DS2188 must have a crystal connected to theXTAL1 and XTAL2 pins. For T1 environments, the fre-quency of this

DS2188021997 7/11ABSOLUTE MAXIMUM RATINGS* Voltage on any Pin Relative to Ground –1.0V to +7.0V Operating Temperature 0°C to 70°C Storage Temperature

DS2188021997 8/11AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; VDD=5V ± 10%)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESRCLK Period tP–200 +200 ppm 1RCLK Pu

DS2188021997 9/11AC TIMING DIAGRAM Figure 5RSTRCLKRPOS, RNEGRRCLKRRPOS, RRNEGRRCLKXTAL OUT(1)XTAL OUT(1)tPDtSDtHDtRtF tP tWH tWL tPDC tPDC tRSTNOTE:1.