MC100H641

www.DataSheet4U.com MC10H641, MC100H641 Single Supply PECL to TTL 1:9 Clock Distribution Chip Description The MC10H/100H641 is a single supply, low skew translating 1:9 clock driver. Devices in the ON Semiconductor H641 translator series utilize the PLCC−28 for optimal power pinning, signal flow through and electrical performance. The device features a 24 mA TTL output stage, with AC performance specified into a 50 pF load capacitance. A latch is provided on−chip. When LEN is LOW (or left open, in which case it is pulled LOW by the internal pulldown) the latch is transparent. A HIGH on the enable pin (EN) forces all outputs LOW. Both the LEN and EN pins are positive ECL inputs. The VBB output is provided in case the user wants to drive the device with a single−ended input. For single−ended use, the VBB should be connected to the D input and bypassed with a 0.01 mF capacitor. The 10H version of the H641 is compatible with positive MECL 10H™ logic levels. The 100H version is compatible with positive 100K levels. Features http://onsemi.com PLCC−28 FN SUFFIX CASE 776 MARKING DIAGRAM* 1 PECL − TTL Version of Popular ECLinPS E111 Low Skew Guaranteed Skew Spec Latched Input Differential ECL Internal Design VBB Output for Single−Ended Use Single +5.0 V Supply Logic Enable Extra Power and Ground Supplies Separate ECL and TTL Supply Pins Pb−Free Packages are Available* MCxxxH641G AWLYYWW xxx A WL YY WW G = 10 or 100 = Assembly Location = Wafer Lot = Year...