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MC12052AD 데이터시트(PDF) 1 Page - LANSDALE Semiconductor Inc.

부품명 MC12052AD
상세설명  1.1 GHz Super Low Power Dual Modulus Prescaler
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제조업체  LANSDALE [LANSDALE Semiconductor Inc.]
홈페이지  http://www.lansdale.com
Logo LANSDALE - LANSDALE Semiconductor Inc.

MC12052AD 데이터시트(HTML) 1 Page - LANSDALE Semiconductor Inc.

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Issue A
ML12052
1.1 GHz Super Low
Power Dual Modulus
Prescaler
Legacy Device: Motorola MC12052A
The ML12052 is a super low power dual modulus prescaler
used in phase–locked loop applications with low power dissipa-
tion of 2.7 mW at a minimum supply voltage of 2.7 V.
The ML12052 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 1.1 GHz in programmable 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 number
after SW has been biased to select the desired divide ratio.
• 1.1 GHz Toggle Frequency
• The ML12052 is Pin and Functionally Compatible with the
Motorola or ON Semiconductor MC12022
• Low Power 1.0 mA Typical
• 2.0 mA Maximum, VCC = 2.7 to 5.5 Vdc
• Short Setup Time (tset) 16 ns Maximum @ 1.1 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
SO 8
MC12052AD
ML12052-5P
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 DUAL MODULUS PRESCALER
SEMICONDUCTOR TECHNICAL DATA


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