AK8122

ASAHI KASEI EMD CORPORATION Differential Zero Delay Clock Buffer AK8122 Features Operational Frequency Range: 160MHz – 400MHz Output delay: -30 ±100ps Low Jitter Performance: 20 ps (Period RMS 190 – 360MHz) 30 ps (cycle – cycle RMS 190 – 360MHz) 70 ps (Half Period RMS 190 – 250MHz) 60 ps (Half Period RMS 250 – 300MHz) 40 ps (Half Period RMS 300 – 360MHz) Description The AK8122 is a high performance differential zero delay clock buffer IC with Phase Locked Loop (PLL). Target application is DDR2 SDRAM and characteristics of these ICs are acceptable to standards of JEDEC. Supply Voltage: 1.8 ±0.1V Operating Temperature Range: -20 to +85℃ : AK8122E -40 to +85℃ : AK8122V Package: 8-pin MSOP(Lead Free) Applications DDR2 SDRAM Clock Buffer Block Diagram TSTI (VSS) CLKP P CLKN FBINP BIAS TSTO (VDD) L P F V C O 1/2 C P OUTP F C OUTN VSS FBINN VDD AK8122 Differential Zero Delay Clock Buffer MS0971-E-00 -1- Dec-10 http://www.Datasheet4U.com AK8122 The brand name of AKEMD’s IC’s Pin Descriptions Package: 8-Pin MSOP (Top View) TSTI CLKP CLKN VSS 1 2 3 8 7 6 5 TSTO OUTP OUTN VDD Pin No. 1 2 3 4 5 6 7 8 Pin Name TSTI CLKP CLKN VSS VDD OUTN OUTP TSTO Pin Type IN IN IN --OUT OUT OUT IC Test pin (Input) Please tie VSS to this pin. Description (1) Differential Clock Input (Positive) Differential Clock Input (Negative) Ground Power Supply Differential Clock Output (Negative) Differential Clock Output (Positive) IC Test pin (Output) Please tie VDD to this pin. (2) (2)...