MC10E155, MC100E155
D5a D4b D4a D3b D3a NC VCCO
25 24 23 22 21 20 19
D5b 26
18 Q5
LEN1 27
17 Q4
LEN2 28
VEE
1
MR 2
Pinout: 28−Lead PLCC
(Top View)
SEL 3
D0a 4
5 6 7 8 9 10
16
15
14
13
12
11
VCC
Q3
Q2
VCCO
Q1
D0b D1a D1b D2a D2b VCCO Q0
* All VCC and VCCO pins are tied together on the die.
Warning: All VCC, VCCO, and VEE pins must be externally
connected to Power Supply to guarantee proper operation.
Figure 2. 28−Lead Pinout
D0a
D0b
MUX
SEL
Q
D
Q0
EN
R
D1a
D1b
MUX
SEL
Q
D
Q1
EN
R
D2a
D2b
MUX
SEL
Q
D
Q2
EN
R
D3a
D3b
MUX
SEL
Q
D
Q3
EN
R
D4a
D4b
MUX
SEL
DQ
Q4
EN
R
D5a
D5b
MUX
SEL
DQ
Q5
EN
R
SEL
LEN1
LEN2
MR
Figure 1. Logic Diagram
Table 1. PIN DESCRIPTION
PIN
FUNCTION
D0a − D04
D0b − D4b
SEL
ECL Input Data a
ECL Input Data b
ECL Data Select Input
LEN1, LEN2
ECL Latch Enables
Q0 − Q4
MR
ECL Outputs
Master Reset
VCC, VCCO
VEE
NC
Positive Supply
Negative Supply
No Connect
Table 2. TRUTH TABLE
SEL
Data
H
a
L
b
http://onsemi.com
2