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1 / 6 page © Semiconductor Components Industries, LLC, 2006 January, 2006 − Rev. 8 1 Publication Order Number: MC12026A/D MC12026A 1.1 GHz Dual Modulus Prescaler Description The MC12026 is a high frequency, low voltage dual modulus prescaler used in phase−locked loop (PLL) applications. The MC12026A can be used with CMOS synthesizers requiring positive edges to trigger internal counters in a PLL to provide tuning signals up to 1.1 GHz in programmable frequency steps. A Divide Ratio Control (SW) permits selection of an 8/9 or 16/17 divide ratio as desired. The Modulus Control (MC) selects the proper divide number after SW has been biased to select the desired divide ratio. Features • 1.1 GHz Toggle Frequency • Supply Voltage 4.5 to 5.5 V • Low Power 4.0 mA Typical • Operating Temperature Range of −40 to 85°C • The MC12026 is Pin Compatible with the MC12022 • Short Setup Time (tset ) 6.0 ns Typical @ 1.1 GHz • Modulus Control Input Level is Compatible with Standard CMOS and TTL • Pb−Free Packages are Available Table 1. FUNCTIONAL TABLE SW MC Divide Ratio H H 8 H L 9 L H 16 L L 17 1. SW: H = VCC, L = Open. A logic L can also be applied by grounding this pin, but this is not recommended due to increased power consumption. 2. MC: H = 2.0 V to VCC, L = GND to 0.8 V. Table 2. MAXIMUM RATINGS Characteristics Symbol Value Unit Power Supply Voltage, Pin 2 VCC −0.5 to 7.0 Vdc Operating Temperature Range TA −40 to 85 °C Storage Temperature Range Tstg −65 to 150 °C Modulus Control Input, Pin 6 MC −0.5 to 6.5 Vdc Maximum Output Current, Pin 4 IO 10.0 mA Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. NOTE: ESD data available upon request. http://onsemi.com PIN CONNECTIONS (Top View) IN 8 IN VCC SW OUT NC MC GND 7 6 5 1 2 3 4 SOIC−8 D SUFFIX CASE 751 MARKING DIAGRAM A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package 1 8 026A ALYW G 1 8 See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ORDERING INFORMATION |
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Mô tả tương tự - MC12026ADR2 |
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