The MC10125 is a quad translator for interfacing data and control signals
between the MECL section and saturated logic sections of digital systems. The
MC10125 incorporates differential inputs and Schottky TTL “totem pole”
outputs. Differential inputs allow for use as an inverting/ non–inverting translator
or as a differential line receiver . The VBB reference voltage is available on pin 1
for use in single–ended input biasing. The outputs of the MC10125 go to a low
logic level whenever the inputs are left floating.
Power supply requirements are ground, +5.0 Volts and –5.2 Volts.
Propagation delay of the MC10125 is typically 4.5 ns. The MC10125 has fanout
of 10 TTL loads. The dc levels are MECL 10,000 in and Schottky TTL, or TTL
out. This device has an input common mode noise rejection of
± 1.0 Volt.
An advantage of this device is that MECL level information can be received,
via balanced twisted pair lines, in the TTL equipment. This isolates the MECL
logic from the noisy TTL environment. This device is useful in computers,
instrumentation, peripheral controllers, test equipment and digital
communications systems.
PD= 380 mW typ/pkg (No Load)
tpd= 4.5 ns typ (50% to + 1.5 Vdc out)
tr, tf= 2.5 ns typ (1.0 V to 2.0 V)
LOGIC DIAGRAM
2
3
6
7
10
11
14
15
VBB*
Gnd=PIN 16
VCC (+5.0Vdc) =PIN 9
VEE (–5.2Vdc) =PIN 8
4
5
12
13
1
L SUFFIX
CERAMIC PACKAGE
CASE 620–10
P SUFFIX
PLASTIC PACKAGE
CASE 648–08
FN SUFFIX
PLCC
CASE 775–02
DIP
PIN ASSIGNMENT
V
BB
A
IN
A
IN
A
OUT
B
OUT
B
IN
B
IN
V
EE
Pin assignment is for Dual–in–Line Package.
For PLCC pin assignment, see the Pin Conversion
T ables on page 6–11 of the Motorola MECL Data
1
2
3
4
5
6
7
8
Book (DL122/D).
16
15
14
13
12
11
10
GND
D
IN
D
IN
D
OUT
C
OUT
C
IN
C
IN
V
9
CC
*VBB to be used to supply bias to the MC10125 only and bypassed (when used)
with 0.01 µF to 0.1 µF capacitor to ground (0 V). VBB can source < 1.0 mA.
When the input pin with the bubble goes positive, the output goes negative.
3/93
Motorola, Inc. 1996
3–89
REV 5
Page 2
MC10125
Under
ppy
p
ELECTRICAL CHARACTERISTICS
Test Limits
Pin
CharacteristicSymbol
Negative Power Supply Drain
Current
Positive Power Supply Drain
Current
Input CurrentI
Input Leakage CurrentI
High Output VoltageV
Low Output VoltageV
High Threshold VoltageV
Low Threshold VoltageV
Indeterminate Input
Protection Tests
Short Circuit CurrentI
Reference VoltageV
Common Mode Rejection
Tests
Switching Times (50Ω Load)ns
Propagation Delay
(50% to +1.5Vdc)
Rise Time(+1.0V to 2.0V)t
Fall Time(+1.0V to 2.0V)t
Input CurrentI
Input Leakage CurrentI
High Output VoltageV
Low Output VoltageV
High Threshold VoltageV
Low Threshold VoltageV
Indeterminate Input
Protection Tests
Short Circuit CurrentI
Reference VoltageV
Common Mode Rejection TestsV
Switching Times(50Ω Load)
Propagation Delay
(50% to +1.5Vdc)
Rise Time(+1.0V to 2.0V)t
Fall Time(+1.0V to 2.0V)t
1. Individually test each output, apply V
Each MECL 10,000 series circuit has been designed to meet the dc specifications shown in the test table, after thermal equilibrium has been
established. The circuit is in a test socket or mounted on a printed circuit board and transverse air flow greater than 500 linear fpm is maintained.
Outputs are terminated through a 50-ohm resistor to –2.0 volts. Test procedures are shown for only one gate. The other gates are tested in the
same manner.
50-ohm termination to ground located
in each scope channel input.
All input and output cables to the
scope are equal lengths of 50-ohm
coaxial cable. Wire length should be
< 1/4 inch from TPin to input pin and
TP
to output pin.
out
0.2 ns
–1.69 Vdc
0.1 µF
2
3
6
7
10
11
14
15
1
168
V
CC
V
BB
+5.0 Vdc
0.1 µF
–5.2 Vdc
V
EE
4
5
12
13
0.1
V
out
Coax
450
C
L
CL = 25 pF, including test fixture
One input from each gate must be tied to V
(Pin 1) during testing.
µ
F
BB
DL122 — Rev 6
3–93MOTOROLAMECL Data
Page 6
MC10125
OUTLINE DIMENSIONS
FN SUFFIX
PLASTIC PLCC PACKAGE
CASE 775–02
ISSUE C
–L–
201
Z
C
G
G1
0.010 (0.250) N
S
T
–N–
L–M
S
Y BRK
–M–
W
V
A
0.007 (0.180) N
0.007 (0.180) N
R
E
0.004 (0.100)
J
PLANE
SEATING
–T–
VIEW S
S
0.007 (0.180) N
B
0.007 (0.180) N
U
M
S
L–M
T
M
S
S
L–M
T
S
D
Z
D
X
0.010 (0.250) N
G1
S
S
L–M
T
S
VIEW D–D
M
M
S
L–M
T
L–M
T
S
S
S
0.007 (0.180) N
H
M
S
L–M
T
S
K1
K
0.007 (0.180) N
F
M
S
L–M
T
S
VIEW S
NOTES:
1. DATUMS –L–, –M–, AND –N– DETERMINED
WHERE TOP OF LEAD SHOULDER EXITS PLASTIC
BODY AT MOLD PARTING LINE.
2. DIMENSION G1, TRUE POSITION TO BE
MEASURED AT DA TUM –T–, SEATING PLANE.
3. DIMENSIONS R AND U DO NOT INCLUDE MOLD
FLASH. ALLOWABLE MOLD FLASH IS 0.010 (0.250)
PER SIDE.
4. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
5. CONTROLLING DIMENSION: INCH.
6. THE PACKAGE TOP MAY BE SMALLER THAN THE
PACKAGE BOTTOM BY UP TO 0.012 (0.300).
DIMENSIONS R AND U ARE DETERMINED AT THE
OUTERMOST EXTREMES OF THE PLASTIC BODY
EXCLUSIVE OF MOLD FLASH, TIE BAR BURRS,
GATE BURRS AND INTERLEAD FLASH, BUT
INCLUDING ANY MISMATCH BETWEEN THE TOP
AND BOTTOM OF THE PLASTIC BODY.
7. DIMENSION H DOES NOT INCLUDE DAMBAR
PROTRUSION OR INTRUSION. THE DAMBAR
PROTRUSION(S) SHALL NOT CAUSE THE H
DIMENSION TO BE GREATER THAN 0.037 (0.940).
THE DAMBAR INTRUSION(S) SHALL NOT CAUSE
THE H DIMENSION TO BE SMALLER THAN 0.025
(0.635).
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty , representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “T ypical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
How to reach us:
USA/EUROPE/Locations Not Listed: Motorola Literature Distribution;JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center,
P.O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 or 602–303–54543–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315
MFAX: RMF AX0@email.sps.mot.com – T OUCHTONE 602–244–6609ASIA/ PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
INTERNET: http://Design–NET .com51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
MC10125/D
DL122 — Rev 6
◊
3–95MOTOROLAMECL Data
*MC10125/D*
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