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SY100S370JZ Datasheet(PDF) 1 Page - Micrel Semiconductor |
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SY100S370JZ Datasheet(HTML) 1 Page - Micrel Semiconductor |
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1 / 8 page  1 SY100S370 Micrel, Inc. M9999-032406 hbwhelp@micrel.com or (408) 955-1690 Pin Function Ana, Anb Address Inputs (n = 0,1,2) Ena, Enb Enable Inputs (n = 1,2) M Mode Control Input Ha Z0 – Z3 (Z0a – Z3a) Polarity Select Input Hb Z4 – Z7 (Z0b – Z3b) Polarity Select Input Hc Common Polarity Select Input Z0 – Z7 Single 1-of-8 Data Outputs Zna, Znb Dual 1-of-4 Data Outputs (n = 1...4) VEES VEE Substrate VCCA VCCO for ECL Outputs SY100S370 UNIVERSAL DEMULTIPLEXER/ DECODER FEATURES s Max. propagation delay of 1200ps s IEE min. of –92mA s Industry standard 100K ECL levels s Extended supply voltage option: VEE = –4.2V to –5.5V s Voltage and temperature compensation for improved noise immunity s Internal 75K Ω input pull-down resistors s 60% faster than National or Signetics s Approximately 40% lower power than Fairchild s Function and pinout compatible with Fairchild F100K s Available in 24-pin CERPACK and 28-pin PLCC packages DESCRIPTION The SY100S370 is a universal demultiplexer/decoder that can be used as either a dual 1-of-4 decoder or as a single 1-of-8 decoder and is designed for use in high- performance ECL systems. The Mode control (M) input determines the function. In the dual 1-of-4 mode, each 4- input group has a pair of active-LOW Enable (E) inputs. The Enable pins are assigned such that in the single 1-of- 8 mode they can be tied together in pairs to result in two active-LOW Enable inputs. E1a will be tied to E1b and E2a to E2b. The auxiliary inputs (Hn) are used to determine whether the outputs are active-HIGH or active-LOW. The address inputs for the dual 1-of-4 mode are A0a, A1a, A0b. A2a is unused. In the 1-of-8 mode, the address inputs are A0a, A1a, A2a. The inputs on the device have 75K Ω pull-down resistors. PIN NAMES Rev.: H Amendment: /0 Issue Date: March 2006 |
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