MC10E137 ON Semiconductor, MC10E137 Datasheet

MC10E137

Manufacturer Part Number

MC10E137

Description

8-BIT RIPPLE COUNTER

Manufacturer

ON Semiconductor

Datasheet

1.MC10E137.pdf (9 pages)

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MC10E137, MC100E137

5 V ECL 8-Bit Ripple Counter

Description

two least significant bits were designed with very fast edge rates while

the more significant bits maintain standard ECLinPS™ output edge

rates. This allows the counter to operate at very high frequencies while

maintaining a moderate power dissipation level.

as well as a counter in a high performance ATE time measurement

board.

maximize the device’s flexibility for various applications. The

asynchronous enable input, A_Start, when asserted enables the counter

while overriding any synchronous enable signals. The E137 features

XORed enable inputs, EN1 and EN2, which are synchronous to the

CLK input. When only one synchronous enable is asserted the counter

becomes disabled on the next CLK transition; all outputs remain in the

previous state poised for the other synchronous enable or A_Start to be

asserted to re-enable the counter. Asserting both synchronous enables

causes the counter to become enabled on the next transition of the CLK.

If EN1 (or EN2) and CLK edges are coincident, sufficient delay has

been inserted in the CLK path (to compensate for the XOR gate delay

and the internal D-flip flop setup time) to insure that the synchronous

enable signal is clocked correctly, hence, the counter is disabled.

resistor. Therefore, do not leave the differential CLK inputs open.

Doing so causes the current source transistor of the input clock gate to

become saturated, thus upsetting the internal bias regulators and

jeopardizing the stability of the device.

upon assertion.

this device only. For single-ended input conditions, the unused

differential input is connected to V

0.5 mA. When not used, V

Features

•

*For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting

November, 2006 − Rev. 8

Techniques Reference Manual, SOLDERRM/D.

The MC10E/100E137 is a very high speed binary ripple counter. The

The device is ideally suited for multiple frequency clock generation

Both asynchronous and synchronous enables are available to

All input pins left open will be pulled LOW via an input pulldown

The asynchronous Master Reset resets the counter to an all zero state

The V

The 100 Series contains temperature compensation.

Differential Clock Input and Data Output Pins

Synchronous and Asynchronous Enable Pins

Asynchronous Master Reset

PECL Mode Operating Range: V

NECL Mode Operating Range: V

with V

Internal Input 50 kW Pull−down Resistors

Transistor Count = 330 devices

with V

may also rebias AC coupled inputs. When used, decouple V

via a 0.01 mF capacitor and limit current sourcing or sinking to

Output for Single-Ended Use

pin, an internally generated voltage supply, is available to

= −4.2 V to −5.7 V

= 0 V

should be left open.

as a switching reference voltage.

= 4.2 V to 5.7 V

= 0 V

•

and

ESD Protection: Human Body Model: > 2 kV,

Meets or Exceeds JEDEC Spec EIA/JESD78 IC

Latchup Test

Moisture Sensitivity Level: Pb = 1; Pb−Free = 3

For Additional Information, see Application Note

AND8003/D

Flammability Rating: UL 94 V−0 @ 0.125 in,

Oxygen Index: 28 to 34

Pb−Free Packages are Available*

See detailed ordering and shipping information in the package

dimensions section on page 7 of this data sheet.

*For additional marking information, refer to

Application Note AND8002/D.

ORDERING INFORMATION

Machine Model: > 200 V

xxx

MARKING DIAGRAM*

http://onsemi.com

MCxxxE137FNG

AWLYYWW

= 10 or 100

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

FN SUFFIX

= Assembly Location

CASE 776

PLCC−28

Publication Order Number:

MC10E137/D

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MC10E137 Summary of contents

Page 1

... MC10E137, MC100E137 5 V ECL 8-Bit Ripple Counter Description The MC10E/100E137 is a very high speed binary ripple counter. The two least significant bits were designed with very fast edge rates while the more significant bits maintain standard ECLinPS™ output edge rates. This allows the counter to operate at very high frequencies while maintaining a moderate power dissipation level ...

Page 2

A_Start 26 EN1 27 EN2 28 Pinout: 28-Lead PLCC V 1 (Top View) EE CLK 2 CLK CCO * All ...

Page 3

Table 2. SEQUENTIAL TRUTH TABLE Function EN1 EN2 A_Start Reset X X Count Stop Asynch Start Count Stop ...

Page 4

Table 4. 10E SERIES PECL DC CHARACTERISTICS Symbol Characteristic I Power Supply Current EE V Output HIGH Voltage (Note Output LOW Voltage (Note Input HIGH Voltage (Single−Ended Input LOW Voltage (Single−Ended) IL ...

Page 5

Table 6. 100E SERIES PECL DC CHARACTERISTICS Symbol Characteristic I Power Supply Current EE V Output HIGH Voltage (Note Output LOW Voltage (Note Input HIGH Voltage (Single−Ended Input LOW Voltage (Single−Ended) IL ...

Page 6

Table 8. AC CHARACTERISTICS V Symbol Characteristic f Maximum Count Frequency COUNT t Propagation Delay to Output PLH t PHL A_Start Setup Time (EN1, EN2 Hold Time (EN1, EN2 Reset Recovery Time RR ...

Page 7

... Application Note AND8020/D − Termination of ECL Logic Devices.) ORDERING INFORMATION Device MC10E137FN MC10E137FNG MC10E137FNR2 MC10E137FNR2G MC100E137FN MC100E137FNG MC100E137FNR2 MC100E137FNR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. ...

Page 8

0.010 (0.250) T L− NOTES: 1. DATUMS −L−, −M−, AND −N− DETERMINED WHERE TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT ...

Page 9

... N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 9 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative MC10E137/D ...

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