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參數資料
| 型號： | MC12038AD |
| 廠商： | MOTOROLA INC |
| 元件分類： | 諧振器 |
| 英文描述： | MECL PLL COMPONENTS ±127/128, ±255/256 DUAL MODULUS PRESCALER |
| 中文描述： | ECL SERIES, PRESCALER, PDSO8 |
| 封裝： | PLASTIC, SO-8 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 83K |
| 代理商： | MC12038AD |
Order this document by MC12038A/D
SEMICONDUCTOR
TECHNICAL DATA
MECL PLL COMPONENTS
÷
127/128,
÷
255/256
DUAL MODULUS PRESCALER
P SUFFIX
PLASTIC PACKAGE
CASE 626
PIN CONNECTIONS
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
8
1
1
8
IN
NC
MC
Gnd
(Top View)
8
IN
VCC
SW
OUT
7
6
5
1
2
3
4
Device
Operating
Temperature Range
Package
ORDERING INFORMATION
MC12038AD
MC12038AP
TA = – 40
°
to +85
°
C
SO–8
Plastic
The MC12038A can be used with CMOS synthesizers requiring positive
edges to trigger internal counters such as Motorola’s MC145XXX 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 127/128 or 255/256
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
Supply Voltage of 4.5 to 5.5 V
Low–Power 4.8 mA Typical
Operating Temperature Range of –40 to 85
°
C
Short Setup Time (tset) 16ns Maximum @ 1.1 GHz
Modulus Control Input Level Is Compatible With Standard
CMOS and TTL
On–Chip Output Termination
FUNCTIONAL TABLE
SW
MC
Divide Ratio
H
H
127
H
L
128
L
H
255
L
L
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.
DESIGN GUIDE
Criteria
Value
Unit
Internal Gate Count*
67
ea
Internal Gate Propagation Delay
200
ps
Internal Gate Power Dissipation
0.75
mW
Speed Power Product
0.15
pJ
NOTE:
* Equivalent to a two–input NAND gate
MAXIMUM RATINGS
Characteristic
Symbol
Range
Unit
Power Supply Voltage, Pin 2
VCC
TA
Tstg
MC
–0.5 to 7.0
Vdc
Operating Temperature Range
–40 to 85
°
C
Storage Temperature Range
–65 to 150
°
C
Modulus Control Input, Pin 6
–0.5 to 6.5
Vdc
NOTE:
ESD data available upon request.
Motorola, Inc. 1997
Rev 2
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相關代理商/技術參數 |
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|---|---|
| MC12038AP | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MECL PLL COMPONENTS ±127/128, ±255/256 DUAL MODULUS PRESCALER |
| MC1203F | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC1203N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LSI PMOS |
| MC1203NA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LSI PMOS |
| MC1203NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LSI PMOS |
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