MC100LVEL37

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2

Figure 1. 20-Lead Pinout (Top View)

Q0

Q0

Q1

Q1

Q2

Q2

Q3

Q3

MR

19

20

18

17

16

15

14

2

1

345

67

13

8

12

9

11

10

÷1 ÷2

to Power Supply to guarantee proper operation.

FUNCTION

ECL Differential Clock ÷1 Outputs

ECL Differential Clock ÷2 Outputs

ECL Differential Clock Inputs

ECL Input Clock Selection

ECL Asynchronous Master Reset

Positive Supply

Negative Supply

PIN

Q0, Q0; Q1, Q1

Q2, Q2; Q3, Q3

CLKn, CLKn

Clk_Sel

MR

MR

L

L

H

Clk_Sel

L

H

X

Q0, 1

CLK0/÷1

CLK1/÷1

L

X = Don’t Care

Q2, 3

CLK0/÷2

CLK1/÷2

L

Table 1. TRUTH TABLE

Table 2. PIN DESCRIPTION

Table 3. MAXIMUM RATINGS

Symbol

Parameter

Condition 1

Condition 2

Rating

Unit

PECL Mode Power Supply

8 to 0

V

NECL Mode Power Supply

−8 to 0

V

PECL Mode Input Voltage

NECL Mode Input Voltage

6 to 0

−6 to 0

V

Output Current

Continuous

Surge

50

100

mA

Operating Temperature Range

−40 to +85

°C

Storage Temperature Range

−65 to +150

°C

Thermal Resistance (Junction to Ambient)

0 lfpm

500 lfpm

SOIC−20 WB

SOIC−20 WB

90

60

°C/W

Thermal Resistance (Junction to Case)

Standard Board

SOIC−20 WB

30 to 35

°C/W

Wave Solder (Pb-Free)

< 2 to 3 sec @ 260°C

265

°C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.