SY10E136JC Micrel Inc, SY10E136JC Datasheet

SY10E136JC

Manufacturer Part Number

SY10E136JC

Description

IC COUNTER UP/DOWN 6-BIT 28-PLCC

Manufacturer

Micrel Inc

Series

10Er

Datasheet

1.SY100E136JZ.pdf (9 pages)

Specifications of SY10E136JC

Logic Type

Binary Counter

Direction

Up, Down

Number Of Elements

Number Of Bits Per Element

Reset

Asynchronous

Timing

Synchronous

Count Rate

650MHz

Trigger Type

Positive Edge

Voltage - Supply

4.2 V ~ 5.5 V

Operating Temperature

0°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

28-LCC (J-Lead)

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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Download datasheet (96Kb)

Micrel, Inc.

M9999-032006

hbwhelp@micrel.com or (408) 955-1690

CLK

FEATURES

PIN NAMES

550MHz count frequency

Extended 100E V

Look-ahead-carry input and output

Fully synchronous up and down counting

Asynchronous Master Reset

Internal 75K input pull-down resistors

Available in 28-pin PLCC package

CCO

OUT

, S

–D

–Q

OUT

, C

OUT

Preset Data Inputs

Differential Data Outputs

Mode Control Pins

Master Reset

Clock Input

Carry Out Output (Active LOW)

Look-Ahead-Carry Output

Carry-In Input (Active LOW)

Look-Ahead-Carry Input

range of –4.2V to –5.5V

to Output

Function

6-BIT UNIVERSAL

UP/DOWN COUNTER

cascadable universal counters. These devices generate

a look-ahead-carry output and accept a look-ahead-carry

input. These two features allow for the cascading of

multiple E136s for wider bit width counters that operate

at very nearly the same frequency as the stand-alone

counter.

one count before the E136 reaches terminal count. The

the counter reaches terminal count. For more information

on utilizing the look-ahead-carry features of the device,

please refer to the applications section of this data sheet.

The differential C

programmable divider and self-stopping counter

applications.

designs, the E136 carry-out and look-ahead-carry-out

signals are registered on chip. This design alleviates the

glitch problem seen on many counters where the carry-

out signals are merely gated. Because of this architecture,

there are some minor functional differences between the

E136 and H136 counters. The user, regardless of

familiarity with the H136, should read this data sheet

carefully. Note specifically (see block diagram) the

operation of the carry-out outputs and the look-ahead-

carry-in input when utilizing the Master Reset.

LOW via an input pulldown resistor. The Master Reset is

an asynchronous signal which, when asserted, will force

the Q outputs LOW.

function properly. In fact, if these outputs will not be

used in a system, it is recommended that they be left

open to save power and minimize noise. This practice

will minimize switching noise which can reduce the

maximum count frequency of the device, or significantly

reduce margins against other noise in the system.

OUT

DESCRIPTION

The SY10/100E136 are 6-bit synchronous, presettable,

The CL

Unlike the H136 and other similar universal counter

When left open, all of the input pins will be pulled

The Q outputs need not be terminated for the E136 to

output will pulse LOW for one clock cycle when

OUT

output will pulse LOW for one clock cycle

OUT

output facilitates the E136's use in

Rev.: F

Issue Date: March 2006

SY100E136

SY10E136

SY100E136

Amendment: 0

SY10E136

Related parts for SY10E136JC

SY10E136JC Summary of contents

Page 1

Micrel, Inc. FEATURES 550MHz count frequency Extended 100E V range of –4.2V to –5.5V EE Look-ahead-carry input and output Fully synchronous up and down counting Asynchronous Master Reset Internal 75K input pull-down resistors Available in 28-pin PLCC package PIN NAMES ...

Page 2

... SY100E136JZTR J28-1 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package is recommended for new designs. 2 Operating Package Range Marking Commercial SY10E136JC Commercial SY10E136JC Commercial SY100E136JC Commercial SY100E136JC Commercial SY10E136JC Commercial SY10E136JC Commercial SY100E136JC Commercial SY100E136JC Commercial ...

Page 3

Micrel, Inc. (1) BLOCK DIAGRAM LOGIC DIAGRAM Note: 1. This diagram is provided for understanding of logic operation only. It should not be used for propagation delays as many gate functions are achieved internally without incurring a full gate delay. ...

Page 4

Micrel, Inc. (1) LOGIC DIAGRAM TRUTH TABLE Note: 1. Expanded truth table included ...

Page 5

Micrel, Inc. DC ELECTRICAL CHARACTERISTICS LOGIC DIAGRAM (Min (Max.); Symbol Parameter I Input HIGH Current IH I Power Supply Current EE 10E 100E LOGIC DIAGRAM AC ELECTRICAL CHARACTERISTICS V = ...

Page 6

Micrel, Inc. APPLICATIONS INFORMATION LOGIC DIAGRAM Overview The SY10E/100E136 are 6-bit synchronous, presettable, cascadable universal counters. Using the S pins, the user can select between preset, count up, count down and hold count. The Master Reset pin will reset the ...

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SY10E136JC Micrel Inc, SY10E136JC Datasheet

SY10E136JC

Specifications of SY10E136JC

Available stocks

Related parts for SY10E136JC

SY10E136JC Summary of contents

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