MC12025 Datasheet, PDF (1/2 Pages) Motorola, Inc – MECL PLL COMPONENTS ÷64/65 DUAL MODULUS PRESCALER

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
520MHz Dual Modulus Prescaler
The MC12025 is a dual modulus prescaler which divides by 64 and 65.
Supply voltages of 4.75 to 5.25V may be connected to Pin 8.
• 520MHz Toggle Frequency
• Low–Power 9.5mA Typical
• Control Input Is Compatible WIth Standard CMOS and TTL
• Operating Supply Voltage of 5.0V ±0.25V
• Propagation Delay 30ns Typical
MAXIMUM RATINGS
Symbol
Characteristic
VCC
TA
Tstg
Power Supply Voltage, Pin 8
Operating Temperature Range
Storage Temperature Range
Range
Unit
–0.5 to 7.0
Vdc
–40 to +85
°C
–65 to +175
°C
ELECTRICAL CHARACTERISTICS (VCC = 4.75 to 5.25V; TA = –40 to
+85°C)
Symbol
Characteristic
Min Typ
Max
Unit
fmax
Toggle Frequency
520
fmin
(Sine Wave Input)
MHz
30
ICC
VIH
VIH
Vout
Vin
Supply Current
9.5
13.5
mA
Control Input HIGH (÷64) 2.0
V
Control Input LOW (÷65)
0.8
V
Output Voltage
0.8
1.2
Input Voltage Sensitivity
30MHz ₄₀₀
100–520MHz ₁₀₀
VPP
mVPP
800
800
tPLL
PLL Response Time¹
tout–42²
ns
1. tPLL = The period of time the PLL has from the rising output transition to the
Modulus Control input edge transition to ensure proper modulus selection
2. tout = Period of output waveform
8
VCC
Modulus ¹
Control
Input
0.001µF ₆
Signal
Input
5
0.001µF
PRESCALER BLOCK DIAGRAM
÷N / N+1
3
Output
1/97
© Motorola, Inc. 1997
4 _GND
1
MC12025
MECL PLL COMPONENTS
÷64/65
DUAL MODULUS
PRESCALER
P SUFFIX
8–LEAD PLASTIC PACKAGE
CASE 626–05
D SUFFIX
8–LEAD PLASTIC SOIC PACKAGE
CASE 751–05
Pinout: 8–Lead Plastic (Top View)
VCC NC Input Input
8765
1234
MC NC Out GND
REV 3