MC100H643 ON Semiconductor, MC100H643 Datasheet - Page 2

• Manufacturer Part Number: MC100H643
• Description: DUAL SUPPLY ECL-TTL 1:8 CLOCK DRIVER
• Manufacturer: ON Semiconductor

OGND2
OGND1
OVT1
LEN
V
EN
ECL INPUT
BB
Q3
Q2
Q1
Q0
D
D
26
27
28
2
3
4
1
25
5
Figure 1. Pinout: PLCC−28
Figure 2. Logic Diagram
24
6
D
23
7
(Top View)
Q
22
8
21
9
10
20
TTL OUTPUTS
11
19
18
17
16
15
14
13
12
Q4
Q5
Q6
Q7
Q0
Q1
Q2
Q3
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IVT2
IGND2
V
V
LEN
V
D
CCE
CCE
BB
2
Table 2. TRUTH TABLE
Table 1. PIN DESCRIPTION
D
H
X
X
L
OGND
OVT
IGND
IVT
V
V
D, D
V
Q0 − Q7
EN
LEN
EE
CCE
BB
PIN
LEN
TTL Output Ground (0V)
TTL Output V
Internal TTL GND (0V)
Internal TTL V
ECL V
ECL Ground (0V)
Signal Input (ECL)
V
Signal Outputs (TTL)
Enable Input (ECL)
Latch Enable Input (ECL)
H
L
L
X
BB
Reference Output
EE
FUNCTION
(−5.2/−4.5V)
CC
CC
EN
(+5.0V)
H
L
L
L
(+5.0V)
Q
Q
H
L
L
O