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MC100H643 Datenblatt(PDF) 1 Page - ON Semiconductor |
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MC100H643 Datenblatt(HTML) 1 Page - ON Semiconductor |
1 / 5 page MOTOROLA SEMICONDUCTOR TECHNICAL DATA 2–1 REV 3 © Motorola, Inc. 1996 11/93 Dual Supply ECL-TTL 1:8 Clock Driver The MC10H/100H643 is a dual supply, low skew translating 1:8 clock driver. Devices in the Motorola H600 translator series utilize the 28–lead PLCC for optimal power pinning, signal flow through and electrical performance. The dual–supply H643 is similar to the H641, which is a single–supply 1:9 version of the same function. The device features a 48mA TTL output stage, with AC performance specified into a 50pF 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 pulldowns) the latch is transparent. A HIGH on the enable pin (EN) forces all outputs LOW. The 10H version is compatible with MECL 10H ™ ECL logic levels. The 100H version is compatible with 100K levels. • ECL/TTL Version of Popular ECLinPS™ E111 • Low Skew Within Device 0.5ns • Guaranteed Skew Spec Part–to–Part 1.0ns • Latch • Differential Internal Design • VBB Output • Dual Supply • Reset/Enable • Multiple TTL and ECL Power/Ground Pins Pinout: 28–Lead PLCC (Top View) 1 IVT2 IGND2 VCCE VCCE LEN VBB D Q3 OGND2 Q2 OVT1 Q1 OGND1 Q0 56 78 9 10 11 25 24 23 22 21 20 19 26 27 28 2 3 4 18 17 16 15 14 13 12 ECLinPS and MECL 10H are trademarks of Motorola, Inc. MC10H643 MC100H643 DUAL SUPPLY ECL–TTL 1:8 CLOCK DRIVER FN SUFFIX PLASTIC PACKAGE CASE 776–02 OGND OVT IGND IVT VEE VCCE D, D VBB Q0–Q7 EN LEN TTL Output Ground (0V) TTL Output VCC (+5.0V) Internal TTL GND (0V) Internal TTL VCC (+5.0V) ECL VEE (–5.2/–4.5V) ECL Ground (0V) Signal Input (ECL) VBB Reference Output Signal Outputs (TTL) Enable Input (ECL) Latch Enable Input (ECL) PIN FUNCTION PIN NAMES |
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