MC12022TSA Datasheet, PDF (1/4 Pages) Motorola, Inc – ÷64/65, ÷128/129 DUAL MODULUS PRESCALER

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1.1GHz Low Power Dual
Modulus Prescaler
With On-Chip Output Termination
The MC12022TSA 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 1.1GHz in programmable
frequency steps. This device is a reduced current drain version of the
MC12022A/B with the addition of on–chip output termination.
The MC12022TSB can be used with CMOS synthesizers requiring
negative edges to trigger internal counters.
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.
NOTE: The “B” Version Is Not Recommended for New Designs
• 1.1 GHz Toggle Frequency
• Supply Voltage of 4.5 to 5.5V
• Low–Power 4.0mA Typical
• Operating Temperature Range of –40 to +85°C
• Short Setup Time (tset) 16ns Maximum @ 1.1GHz
• Modulus Control Input Level Is Compatible With Standard CMOS
and TTL
• Output Load Resistor on Die
FUNCTIONAL TABLE
SW
MC
Divide Ratio
H
H
64
H
L
65
L
H
128
L
L
129
Note: SW: H = VCC, L = Open
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
* Equivalent to a two–input NAND gate
MAXIMUM RATINGS
Symbol
Characteristic
VCC
TA
Tstg
Power Supply Voltage, Pin 2
Operating Temperature Range
Storage Temperature Range
1/97
© Motorola, Inc. 1997
1
MC12022TSA
MC12022TSB
MECL PLL COMPONENTS
÷64/65, ÷128/129
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)
IN NC MC GND
8765
1234
IN VCC SW OUT
Range
Unit
–0.5 to + 7.0
Vdc
–40 to + 85
°C
–65 to + 150
°C
REV 3