MC10H680 ON Semiconductor, MC10H680 Datasheet - Page 2

• Manufacturer Part Number: MC10H680
• Description: 4-Bit Differential ECL Bus/TTL Bus Transceciver
• Manufacturer: ON Semiconductor

Table 2. TRUTH TABLE
ECEB
TDIR − Direction Control TTL Levels
EDIR − Direction Control ECL Levels
TCEB − Chip Enable Bar Control TTL Levels
H − HIGH
L − LOW
LC − ECL Low Cutoff (VTT = −2.0 V)
X − Don’t Care
Z − High Impedance
H
X
L
L
L
L
L
L
L
L
EDIR
T101
TDIR
TIO0
GT2
GT1
VT1
Figure 1. Pinout: PLCC−28 (Top View)
TCEB
26
28
27
1
2
3
X
H
4
L
L
L
L
L
L
L
L
25
5
EDIR
24
X
X
H
H
H
X
X
X
L
L
6
23
7
TDIR
X
X
X
X
X
H
H
H
L
L
22
8
EIN
NA
NA
LC
LC
LC
LC
21
X
X
H
H
9
20
10
EINB
NA
NA
LC
LC
LC
LC
X
X
H
H
11
19
18
17
16
15
14
13
12
ECEB − Chip Enable Bar Control ECL Levels
TIN − TTL Input
TOUT − TTL Output
EOUT
LC
LC
LC
H
EIO3B
V
EIO3
V
EIO2B
V
EIO2
CCO4
CCE
CCO3
http://onsemi.com
EOUTB
LC
LC
LC
H
2
Table 1. PIN DESCRIPTIONS
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
TIN
NA
NA
NA
NA
NA
NA
X
X
H
L
GT1
TIO0
TDIR
EDIR
EIO0
VCCO1
EIO0B
V
EIO1
VCCO2
EIO1B
EIO2
VCCO3
EIO2B
V
EIO3
VCCO4
EIO3B
ECEB
TCEB
TIO3
GT4
VT2
GT3
TIO2
TIO1
GT2
VT1
Symbol
EE
CCE
TOUT
H
H
Z
Z
L
L
L
L
TTL Ground 1
TTL I/O Bit 0
TTL Direction Control
ECL Direction Control
ECL I/O Bit 0
ECL V
ECL I/O Bit 0 Bar
ECL Supply (−5.2/−4.5 V)
ECL I/O Bit 1
ECL V
ECL I/O Bit 1 Bar
ECL I/O Bit 2
ECL V
ECL I/O Bit 2 Bar
ECL V
ECL I/O Bit 3
ECL V
ECL I/O Bit 3 Bar
ECL Chip Enable Bar Control
TTL Chip Enable Bar Control
TTL I/O Bit 3
TTL Ground 4
TTL Supply 2 (5.0 V)
TTL Ground 3
TTL I/O Bit 2
TTL I/O Bit 1
TTL Ground 2
TTL Supply 1 (5.0 V)
ECL and TTL Outputs Disabled
ECL and TTL Outputs Disabled
ECL to TTL Direction
ECL to TTL Direction
ECL to TTL Direction (L−L Condition)
ECL to TTL Direction
ECL to TTL Direction
ECL to TTL Direction (L−L Condition)
TTL to ECL Direction
TTL to ECL Direction
EIN − ECL Input
EINB − ECL Input Bar
EOUT − ECL Output
EOUTB − ECL Output Bar
CC
CC
CC
CC
CC
1 (0 V) − Outputs
2 (0 V) − Outputs
3 (0 V) − Outputs
(0 V)
4 (0 V) − Outputs
COMMENTS
Function