MC10123 ON Semiconductor, MC10123 Datasheet

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MC10123

Manufacturer Part Number
MC10123
Description
Manufacturer
ON Semiconductor
Datasheet

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Triple 4-3-3-Input Bus Driver
applications on card or between cards. Output low logic levels are specified with
V OL = –2.1 Vdc so that the bus may be terminated to –2.0 Vdc. The gate output,
when low, appears as a high impedance to the bus, because the output emitter–
followers of the MC10123 are “turned–off.” This eliminates discontinuities in the
characteristic impedance of the bus.
Vdc, the equivalent of a 50–ohm bus terminated at both ends. Although 25
ohms is the lowest characteristic impedance that can be driven by the
MC10123, higher impedance values may be used with this part. A typical
50–ohm bus is shown in Figure 1.
3/93
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1996
The MC10123 consists of three NOR gates designed for bus driving
The V OH level is specified when driving a 25–ohm load terminated to –2.0
50 Ω
Z O = 50 Ω
FIGURE 1 — 50–OHM BUS DRIVER (TYPICAL APPLICATION)
VDC
–2.0
1/3 MC10123
t r , t f = 2.5 ns typ (20%–80%)
P D = 310 mW typ/pkg (No Load)
t pd = 3.0 ns typ
10
11
12
13
14
4
5
6
7
9
1/3 MC10123
RECEIVERS (MECL GATES)
LOGIC DIAGRAM
V CC1 = PIN 1
V CC2 = PIN 16
V EE = PIN 8
3–78
1/3 MC10123
3
2
15
VDC
–2.0
50 Ω
REV 5
For PLCC pin assignment, see the Pin Conversion
Tables on page 6–11 of the Motorola MECL Data
Pin assignment is for Dual–in–Line Package.
B OUT
A OUT
V CC1
V EE
A IN
A IN
A IN
A IN
MC10123
PIN ASSIGNMENT
Book (DL122/D).
2
3
4
5
6
7
8
1
DIP
CERAMIC PACKAGE
PLASTIC PACKAGE
CASE 620–10
CASE 648–08
CASE 775–02
FN SUFFIX
16
15
14
13
12
11
10
L SUFFIX
P SUFFIX
9
PLCC
V CC2
C OUT
C IN
C IN
C IN
B IN
B IN
B IN

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MC10123 Summary of contents

Page 1

... The V OH level is specified when driving a 25–ohm load terminated to –2.0 Vdc, the equivalent of a 50–ohm bus terminated at both ends. Although 25 ohms is the lowest characteristic impedance that can be driven by the MC10123, higher impedance values may be used with this part. A typical 50–ohm bus is shown in Figure 310 mW typ/pkg (No Load 3.0 ns typ 2.5 ns typ (20%– ...

Page 2

... I inH inL 4,5,6 3– 3 3–79 MC10123 +25 C +85 C Unit Typ Max Min Max mAdc µAdc 220 220 µAdc –0.810 –0.890 –0.700 Vdc –2.030 –2.100 –2.030 Vdc – ...

Page 3

... MC10123 Y BRK –N– –L– –M– 0.007 (0.180) Z 0.007 (0.180 –T– J VIEW S G1 0.010 (0.250) T L– NOTES: 1. DATUMS –L–, –M–, AND –N– DETERMINED WHERE TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT MOLD PARTING LINE ...

Page 4

... DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0.740 0.770 18.80 19.55 B 0.250 0.270 6.35 6.85 C 0.145 0.175 3.69 4.44 D 0.015 0.021 0.39 0.53 F 0.040 0.70 1.02 1.77 G 0.100 BSC 2.54 BSC H 0.050 BSC 1.27 BSC J 0.008 0.015 0.21 0.38 K 0.110 0.130 2.80 3.30 L 0.295 0.305 7.50 7. 0.020 0.040 0.51 1.01 MC10123/D MOTOROLA ...

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