NB6L239 Просмотр технического описания (PDF) - ON Semiconductor

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NB6L239

2.5V / 3.3V Any Differential Clock IN to Differential LVPECL OUT ÷1/2/4/8, ÷2/4/8/16 Clock Divider

ON Semiconductor 

NB6L239

SELA0

SELA1

CLK

50 W

VT

50 W

CLK

B1

B2

A

B4

RB8

EN

SELB0

RB2

B4

B

B8

B16

SELB1

+

MR

VBBAC

Figure 3. Logic Diagram

Table 2. FUNCTION TABLE

CLK

EN*

MR**

FUNCTION

L

H

H

H

X

X

L

Divide

Hold Q

Reset Q

Table 3. CLOCK DIVIDE SELECT, QA OUTPUTS

SELA1* SELA0*

QA Outputs

L

L

L

H

H

L

H

H

Divide by 1

Divide by 2

Divide by 4

Divide by 8

Table 4. CLOCK DIVIDE SELECT, QB OUTPUTS

SELB1* SELB0*

QB Outputs

L

L

L

H

H

L

H

H

Divide by 2

Divide by 4

Divide by 8

Divide by 16

= Low−to−High Transition

= High−to−Low Transition

X = Don’t Care

*Pins will default LOW when left OPEN.

**Pins will default HIGH when left OPEN.

+

VCC

QA

QA

QB

QB

VEE

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