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PDF MC12058D Data sheet ( Hoja de datos )
| Número de pieza | MC12058D | |
| Descripción | MECL PLL COMPONENTS 126/128 / 254/256 LOW POWER DUAL MODULUS PRESCALER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Order this document by MC12058/D
1.1 GHz Low Power
Dual Modulus Prescaler
The MC12058 is a low power ÷126/128, ÷254/256 dual modulus
prescaler. Motorola’s advanced Bipolar MOSAIC™ V technology is utilized to
achieve low power dissipation of 3.0 mW at a minimum supply voltage of
2.7 V. The MC12058 can be operated down to a minimum supply voltage of
2.7 V required for battery operated portable systems.
On–chip output termination provides 250 µA (typical) output current to
drive a 8.0 pF (typical) high impedance load. The Divide Ratio Control input,
SW, permits selection of divide ratio as desired. A HIGH on SW selects
÷126/128; an OPEN on SW selects ÷254/256. The Modulus Control input,
MC, selects the proper divide number after SW has been biased to select the
desired divide ratio.
• 1.1 GHz Toggle Frequency
• Supply Voltage 2.7 to 5.5 V
• Low Power 1.1 mA Typical at VCC = 3.0 V
• Operating Temperature Range of –40 to 85°C
• On–Chip Output Termination
MOSAIC V is a trademark of Motorola
MC12058
MECL PLL COMPONENTS
÷126/128, ÷254/256
LOW POWER
DUAL MODULUS PRESCALER
SEMICONDUCTOR
TECHNICAL DATA
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
FUNCTIONAL TABLE
SW MC
Divide Ratio
HH
126
HL
128
LH
254
LL
256
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
Power Supply Voltage, Pin 2
Operating Temperature Range
Storage Temperature Range
Modulus Control Input, Pin 6
Maximum Output Current, Pin 4
NOTE: ESD data available upon request.
Symbol
VCC
TA
Tstg
MC
IO
Range
–0.5 to 7.0
–40 to 85
–65 to 150
–0.5 to VCC
4.0
Unit
Vdc
°C
°C
Vdc
mA
8
1
SD SUFFIX
PLASTIC PACKAGE
CASE 940
(SSOP–8)
PIN CONNECTIONS
IN 1
VCC 2
SW 3
OUT 4
8 IN
7 NC
6 MC
5 Gnd
(Top View)
ORDERING INFORMATION
Device
Operating
Temp Range
Package
MC12058D
TA = – 40° to +85°C
MC12058SD
SO–8
SSOP–8
© Motorola, Inc. 1997
Rev 4
1 page  
MC12058
Figure 6. Typical Input Impedance versus Input Frequency
300
200
R 100
0
MHz
–100
–200
–300
–400
–500
–600
–700
–800
jX –900
–1000
–1100
–1200
100 200 300 400 500 600 700 800 900 1000 1100 1200
MOTOROLA RF/IF DEVICE DATA
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC12058D.PDF ] | |
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