CGS64B2528WM National Semiconductor, CGS64B2528WM Datasheet

IC CLOCK DRIVER 1TO10 20SOIC

CGS64B2528WM

Manufacturer Part Number
CGS64B2528WM
Description
IC CLOCK DRIVER 1TO10 20SOIC
Manufacturer
National Semiconductor
Type
Fanout Buffer (Distribution)r
Datasheet

Specifications of CGS64B2528WM

Number Of Circuits
1
Ratio - Input:output
1:10
Differential - Input:output
No/No
Input
Clock
Output
Clock
Frequency - Max
80MHz
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Frequency-max
80MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*CGS64B2528WM
C 1995 National Semiconductor Corporation
CGS64 74B2528 450 ps 1 to 10
Minimum Skew Clock Driver
General Description
These minimum skew clock drivers are designed for Clock
Generation
50 MHz This device guarantees minimum output skew
across the outputs of a given device Skew parameters are
also provided as a means to measure duty cycle require-
ments as those found in high speed clocking systems The
’2528 is a minimum skew clock driver with one input driving
ten outputs specifically designed for signal generation and
clock distribution applications
Logic Symbol
FAST is a registered trademark of National Semiconductor Corporation
Support (CGS) applications operating above
TL F 10984
TL F 10984– 1
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Connection Diagrams
Clock Generation
high frequency signal generation or clock distribution
applications
CGS64 74B version features National’s Advanced
Bipolar FAST LSI process
1-to-10 low skew clock distribution
450 ps pin-to-pin output skew for the PLCC package
Specification for transition skew to meet duty cycle
requirements
28-pin centered V
to minimize high speed switching noise
Current sourcing 48 mA and current sinking of 64 mA
Low dynamic power consumption above 20 MHz
Guaranteed 4K volts ESD protection
Commercial and Industrial temperature availability
Pin Assignment for PLCC
for DIP and SOIC
CC
Pin Assignment
Support (CGS) devices ideal for
and GND configuration for PLCC
RRD-B30M115 Printed in U S A
September 1995
TL F 10984 – 3
TL F 10984– 5

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CGS64B2528WM Summary of contents

Page 1

... The ’2528 is a minimum skew clock driver with one input driving ten outputs specifically designed for signal generation and clock distribution applications Logic Symbol FAST is a registered trademark of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL F 10984 Features Clock Generation ...

Page 2

Pin Description Pin Names Description CLK Clock Input O –O Outputs 0 9 Truth Tables Inputs CLK Low Logic Level e H High Logic Level 10984–7 2 Outputs O – ...

Page 3

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage ( Input Voltage ( Operating Temperature 64 Grade b 74 Grade Storage Temperature Range Typical LFM 225 LFM 500 LFM Electrical Characteristics ...

Page 4

AC Electrical Characteristics Over recommended operating conditions unless specified otherwise All typical values are measured at V Symbol Parameter f Frequency Maximum MAX t Low-to-High Propagation Delay PLH CLK Pkg n Low-to-High Propagation Delay CLK to ...

Page 5

Timing Diagrams Test Circuit Note 3 Refer to Test Philosophy and Definitions section for skew specifications Note 4 Load capacitance includes the test jig R is 500 for all prop delays and skew measurements L ...

Page 6

Ordering Information (contact NSC Marketing for specific date of availability) Family Clock Generation Support Operating Temperature Range 74 Commercial e 64 Industrial e Technology B Bipolar e Physical Dimensions inches (millimeters) CGS 74 B 252X WM Packaging ...

Page 7

Physical Dimensions inches (millimeters) (Continued) 20-Lead Molded Dual-On-Line Package (N) NS Package Number N20A 7 ...

Page 8

... Hong Kong Ltd 49) 0-180-530 85 86 13th Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...

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