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A New Emitter-Follower Circuit for High-Speed and Low-Power ECL
Nagisa SASAKI Hisayasu SATO Kimio UEDA Koichiro MASHIKO Hiroshi SHIBATA
IEICE TRANSACTIONS on Electronics
Publication Date: 1995/04/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Low-Voltage, Low-Power Integrated Circuits)
Category: Digital Circuits
ECL, emitter-follower circuit, bipolar, high-speed and low-power,
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We propose a directly controlled emitter-follower circuit with a feedback type level stabilizer for low-voltage, low-power and high-speed bipolar ECL circuits. The emitter-follower circuit employs a current source structure that compensates speed and power for various supply voltage and temperature. The feedback controlled circuit with a small current source stabilizes 'High' level. At a power consumption of 1 mW/gate, the new circuit is 45% faster under the loaded condition (FO1, CL0.5 pF) and has 47% better load driving capability than conventional ECL gates.