MC10137PS

更新时间： 2024-09-23 13:11:15

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		计数器
页数	文件大小	规格书
6页	131K
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数据手册

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MC10137PS 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC10137 is a high speed synchronous counter that can count up, down,

preset, or stop count at frequencies exceeding 100 MHz. The flexibility of this

device allows the designer to use one basic counter for most applications. The

synchronous count feature makes the MC10137 suitable for either computers

or instrumentation.

Three control lines (S1, S2, and Carry In) determine the operation mode of

the counter. Lines S1 and S2 determine one of four operations; preset

(program), increment (count up), decrement (count down), or hold (stop count).

Note that in the preset mode a clock pulse is necessary to load the counter, and

the information present on the data inputs (D0, D1, D2, and D3) will be entered

into the counter. Carry Out goes low on the terminal count. The Carry Out on the

MC10137 is partially decoded from Q1 and Q2 directly, so in the preset mode

the condition of the Carry Out after the Clock’s positive excursion will depend on

the condition of Q1 and/or Q2. The counter changes state only on the positive

going edge of the clock. Any other input may change at any time except during

the positive transition of the clock. The sequence for counting out of improper

states is as shown in the State Diagrams.

L SUFFIX

CERAMIC PACKAGE

CASE 620–10

P SUFFIX

PLASTIC PACKAGE

CASE 648–08

= 625 mW typ/pkg (No Load)

= 150 MHz typ

= 3.3 ns typ (C–Q)

PIN ASSIGNMENT

count

= 7.0 ns typ (C–C

)

out

CC2

CC1

= 5.0 ns typ (C –C

)

in out

OUT

STATE DIAGRAMS

COUNT UP

COUNT DOWN

FUNCTION SELECT TABLE

Operating Mode

Preset (Program)

Increment (Count Up)

Decrement (Count Down)

Hold (Stop Count)

3/93

Motorola, Inc. 1996

REV 5

3–35

12 3 4 5 6

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