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PDF MC100E446 Data sheet ( Hoja de datos )
| Número de pieza | MC100E446 | |
| Descripción | 4-BIT PARALLEL / SERIAL CONVERTER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC100E446 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
4ĆBit Parallel/Serial Converter
The MC10E/100E446 is an integrated 4-bit parallel to serial data
converter. The device is designed to operate for NRZ data rates of up to
1.3Gb/s. The chip generates a divide by 4 and a divide by 8 clock for both
4-bit conversion and a two chip 8-bit conversion function. The conversion
sequence was chosen to convert the parallel data into a serial stream
from bit D0 to D3. A serial input is provided to cascade two E446 devices
for 8 bit conversion applications. Note that the serial output data clocks off
of the negative input clock transition.
• On Chip Clock ÷4 and ÷8
• 1.5 Gb/s Typical Data Rate Capability
• Differential Clock and Serial Inputs
• VBB Output for Single-ended Input Applications
• Asynchronous Data Synchronization
• Mode Select to Expand to 8 Bits
• Internal 75kΩ Input Pulldown Resistors
• Extended 100E VEE Range of -4.2V to -5.46V
MC10E446
MC100E446
4-BIT PARALLEL/
SERIAL CONVERTER
The SYNC input will asynchronously reset the internal clock circuitry.
This pin allows the user to reset the internal clock conversion unit and
thus select the start of the conversion process.
FN SUFFIX
PLASTIC PACKAGE
CASE 776-02
The MODE input is used to select the conversion mode of the device.
With the MODE input LOW, or open, the device will function as a 4-bit
converter. When the mode input is driven HIGH the internal load clock will
change on every eighth clock cycle thus allowing for an 8-bit conversion scheme using two E446’s. When cascaded in an 8-bit
conversion scheme the devices will not operate at the 1.3Gb/s data rate of a single device. Refer to the applications section of
this data sheet for more information on cascading the E446.
For lower data rate applications a VBB reference voltage is supplied for single-ended inputs. When operating at clock rates
above 500MHz differential input signals are recommended. For single-ended inputs the VBB pin is tied to the inverting differential
input and bypassed via a 0.01µF capacitor. The VBB provides the switching reference for the input differential amplifier. The VBB
can also be used to AC couple an input signal, for more information on AC coupling refer to the interfacing section of the design
guide in the ECLinPS™ data book.
PIN NAMES
Pin
SIN
D0 – D3
SOUT, SOUT
CLK, CLK
CL/4, CL/4
CL/8, CL/8
MODE
SYNC
Function
Differential Serial Data Input
Parallel Data Inputs
Differential Serial Data Output
Differential Clock Inputs
Differential ÷4 Clock Output
Differential ÷8 Clock Output
Conversion Mode 4-Bit/8-Bit
Conversion Synchronizing Input
FUNCTION TABLES
Mode
L
H
Conversion
4-Bit
8-Bit
Pinout: 28-Lead PLCC (Top View)
D0 D1 D2 D3 MODE NC NC
25 24 23 22 21 20 19
CLK 26
18
CLK 27
17
VBB 28
VEE 1
SIN 2
16
15
14
SIN 3
13
SYNC
4 12
5 6 7 8 9 10 11
VCCO CL/8 CL/8 VCCO CL/4 CL/4 VCCO
NC
NC
VCC
SOUT
SOUT
VCCO
NC
7/96
© Motorola, Inc. 1996
2–1
REV 2
1 page  
MC10E446 MC100E446
OUTLINE DIMENSIONS
FN SUFFIX
PLASTIC PLCC PACKAGE
CASE 776–02
ISSUE D
Y BRK
-N-
B 0.007 (0.180) M T L –M S N S
U 0.007 (0.180) M T L –M S N S
D
Z
-L- -M-
WD
V
28 1
X
VIEW D-D
G1 0.010 (0.250) S T L –M S N S
A 0.007 (0.180) M T L –M S N S
H 0.007 (0.180) M T L –M S N S
Z
R 0.007 (0.180) M T L –M S N S
C
E
0.004 (0.100)
G
J
-T- SEATING
PLANE
G1 VIEW S
0.010 (0.250) S T L –M S N S
K1
K
F
VIEW S
0.007 (0.180) M T L –M S N S
NOTES:
1. DATUMS -L-, -M-, AND -N- DETERMINED
WHERE TOP OF LEAD SHOULDER EXITS
PLASTIC BODY AT MOLD PARTING LINE.
2. DIM G1, TRUE POSITION TO BE MEASURED
AT DATUM -T-, SEATING PLANE.
3. DIM 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).
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.485 0.495 12.32 12.57
B 0.485 0.495 12.32 12.57
C 0.165 0.180 4.20 4.57
E 0.090 0.110 2.29 2.79
F 0.013 0.019 0.33 0.48
G 0.050 BSC
1.27 BSC
H 0.026 0.032 0.66 0.81
J 0.020 — 0.51 —
K 0.025 — 0.64 —
R 0.450 0.456 11.43 11.58
U 0.450 0.456 11.43 11.58
V 0.042 0.048 1.07 1.21
W 0.042 0.048 1.07 1.21
X 0.042 0.056 1.07 1.42
Y — 0.020 — 0.50
Z 2° 10° 2° 10°
G1 0.410 0.430 10.42 10.92
K1 0.040 — 1.02 —
ECLinPS and ECLinPS Lite
DL140 — Rev 4
2–5
MOTOROLA
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MC100E446.PDF ] | |
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