MC100EP139 ON Semiconductor, MC100EP139 Datasheet - Page 2

• Manufacturer Part Number: MC100EP139
• Description: 2/4 / 4./5/6 Clock Generation Chip
• Manufacturer: ON Semiconductor

Z = Low–to–High Transition
ZZ = High–to–Low Transition
FUNCTION TABLES
DIVSELb0
DIVSELa
CLK
ZZ
Z
X
0
1
0
1
0
1
DIVSELb1
DIVSELb0
DIVSELb1
EN
H
X
DIVSELa
L
Divide by 2
Divide by 4
0
0
1
1
CLK
CLK
MR
EN
Q0:1 OUTPUTS
V CC
V CC
MR
20
1
H
Warning: All V CC and V EE pins must be externally connected
to Power Supply to guarantee proper operation.
L
L
Divide by 4
Divide by 6
Divide by 5
Divide by 5
Q2:3 OUTPUTS
Q0
19
EN
2
Divide
Hold Q0:3
Reset Q0:3
FUNCTION
Figure 1. 20–Lead SOIC (Top View)
Q0
18
3
Figure 2. Logic Diagram
CLK
Q1
17
4
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MC100EP139
CLK
Q1
16
5
2
V BB
Q2
15
6
EN
V BB
Q2, Q3, Q2, Q3
DIVSELb0
DIVSELb1
V EE
CLK, CLK
MR
Q0, Q1, Q0, Q1
DIVSELa
V CC
MR
Q2
14
7
PIN
V CC
Q3
13
8
R
4/5/6
2/4
PIN DESCRIPTION
R
Q3
12
9
ECL Diff Clock Inputs
ECL Sync Enable
ECL Master Reset
ECL Reference Output
ECL Diff 2/4 Outputs
ECL Diff 4/5/6 Outputs
ECL Freq. Select Input
ECL Freq. Select Input
ECL Freq. Select Input
ECL Positive Supply
ECL Negative, 0 Supply
V EE
11
10
FUNCTION
Q0
Q0
Q1
Q1
Q2
Q2
Q3
Q3
B
B
B
2/4
4/5/6
4/5/6