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MC12054AD Datasheet(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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MC12054AD Datasheet(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 4 page www.lansdale.com Page 1 of 4 Issue A ML12054A 2.0 GHz Super Low Power Dual Modulus Prescaler Legacy Device: Motorola MC12054A The ML12054A is a super low power dual modulus prescaler used in phase-locked loop applications with low power dissipation of 5.4 mW at a minimum supply voltage of 2.7 V. The ML12054A can be used with CMOS synthesizers requiring positive edges to trigger internal counters such as Motorola's MC145xxx or Lansdale’s ML145xxx series in a PLL to provide tuning signals up to 2.0 GHz in programma- ble frequency steps. A Divide Ratio Control (SW) permits selection of a 64/65 or 128/129 divide ratio as desired. The Modulus Control (MC) selects the proper divide num- ber after SW has been biased to select the desired divide ratio. • 2.0 GHz Toggle Frequency • The ML12054A is Pin and Functionally Compatible with the Motorola MC12031 • Low Supply Current 2.0 mA Typical • 2.6mA Maximum, VCC = 2.7 to 5.5 Vdc • Short Setup Time (Tset) 10ns Maximum @ 2.0 GHz • Modulus Control Input Level is Compatible with Standard CMOS and TTL • Maximum Input Voltage Should Be Limited to 6.5 Vdc • Operating Temperature Range TA = –40 to 85°C FUNCTIONAL TABLE SW MC Divide Ratio H H 64 H L 65 L H 128 L L 129 NOTES: 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. MAXIMUM RATINGS Characteristic Symbol Range 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 SO 8 = -5P PLASTIC PACKAGE CASE 751 (SO–8) 1 8 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA SO 8 MC12054AD ML12054A-5P LANSDALE PACKAGE Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. PIN CONNECTIONS IN (Top View) 8 IN VCC SW OUT NC MC Gnd 7 6 5 1 2 3 4 MECL PLL COMPONENTS ÷64/65, ÷128/129 SEMICONDUCTOR TECHNICAL DATA |
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