MC10E445, MC100E445
5V ECL 4-Bit Serial/Parallel
Converter
Description
The MC10/100E445 is an integrated 4-bit serial to parallel data
converter. The device is designed to operate for NRZ data rates of up to
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2.0 Gb/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 first serial bit to Q0, the
second to Q1 etc.
PLCC−28
FN SUFFIX
Two selectable serial inputs provide a loopback capability for testing
CASE 776
purposes when the device is used in conjunction with the E446 parallel to
serial converter.
The start bit for conversion can be moved using the SYNC input. A
single pulse applied asynchronously for at least two input clock cycles
MARKING DIAGRAM*
shifts the start bit for conversion from Qn to Qn−1. For each additional
1 28
shift required an additional pulse must be applied to the SYNC input.
Asserting the SYNC input will force the internal clock dividers to
“swallow” a clock pulse, effectively shifting a bit from the Qn to the Qn−1
output (see Timing Diagram B).
MCxxxE445FNG
The MODE input is used to select the conversion mode of the device.
AWLYYWW
With the MODE input LOW, or open, the device will function as a 4-bit
converter. When the mode input is driven HIGH the data on the output will
change on every eighth clock cycle thus allowing for an 8-bit conversion
xxx
= 10 or 100
scheme using two E445’s. When cascaded in an 8-bit conversion scheme
A
= Assembly Location
the devices will not operate at the 2.0 Gb/s data rate of a single device.
WL
= Wafer Lot
Refer to the applications section of this data sheet for more information on
YY
= Year
cascading the E445.
WW
= Work Week
Upon power-up the internal flip-flops will attain a random state. To
G
= Pb−Free Package
synchronize multiple E445’s in a system the master reset must be asserted.
The V
BB
pin, an internally generated voltage supply, is available to this
*For additional marking information, refer to
device only. For single-ended input conditions, the unused differential
Application Note AND8002/D.
input is connected to V
BB
as a switching reference voltage. V
BB
may also
rebias AC coupled inputs. When used, decouple V
BB
and V
CC
via a
ORDERING INFORMATION
0.01
mF
capacitor and limit current sourcing or sinking to 0.5 mA. When
See detailed ordering and shipping information in the package
not used, V
BB
should be left open.
dimensions section on page 11 of this data sheet.
The 100 Series contains temperature compensation.
Features
•
ESD Protection: Human Body Model; > 2 kV,
•
On-Chip Clock
÷4
and
÷8
Machine Model; > 100 V
•
2.0 Gb/s Data Rate Capability
•
Meets or Exceeds JEDEC Spec EIA/JESD78
IC Latchup Test
•
Differential Clock and Serial Inputs
•
Moisture Sensitivity Level: Pb = 1; Pb−Free = 3
•
V
BB
Output for Single-Ended Input Applications
For Additional Information, see Application Note
•
Asynchronous Data Synchronization
AND8003/D
•
Mode Select to Expand to 8-Bits
•
Flammability Rating: UL 94 V−0 @ 0.125 in,
•
PECL Mode Operating Range: V
CC
= 4.2 V to 5.7 V
Oxygen Index: 28 to 34
with V
EE
= 0 V
•
Transistor Count = 528 devices
•
NECL Mode Operating Range: V
CC
= 0 V
•
PECL Mode Operating Range: V
CC
= 4.2 V to 5.7 V
with V
EE
=
−4.2
V to
−5.7
V
with V
EE
= 0 V
•
Internal Input 50 kW Pulldown Resistors
•
Pb−Free Packages are Available*
*For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
©
Semiconductor Components Industries, LLC, 2006
November, 2006
−
Rev. 12
1
Publication Order Number:
MC10E445/D
MC10E445, MC100E445
Table 4. 10E SERIES PECL DC CHARACTERISTICS
V
CCx
= 5.0 V; V
EE
= 0.0 V (Note 1)
0°C
Symbol
I
EE
V
OH
VOH
sout
V
OL
V
IH
V
IL
V
BB
V
IHCMR
Characteristic
Power Supply Current
Output HIGH Voltage (Note 2)
Output HIGH Voltage sout/sout
Output LOW Voltage (Note 2)
Input HIGH Voltage (Single−Ended)
Input LOW Voltage (Single−Ended)
Output Voltage Reference
Input HIGH Voltage Common Mode
Range (Differential Configuration)
(Note 3)
Input HIGH Current
Input LOW Current
0.5
0.3
3980
3975
3050
3830
3050
3.62
2.2
3210
3995
3285
Min
Typ
154
4070
Max
185
4160
4170
3370
4160
3520
3.74
4.6
4020
3975
3050
3870
3050
3.65
2.2
3210
4030
3285
Min
25°C
Typ
154
4105
Max
185
4190
4170
3370
4190
3520
3.75
4.6
4090
3975
3050
3940
3050
3.69
2.2
3227
4110
3302
Min
85°C
Typ
154
4185
Max
185
4280
4170
3405
4280
3555
3.81
4.6
Unit
mA
mV
mV
mV
mV
mV
V
V
I
IH
I
IL
150
0.5
0.25
150
0.3
0.2
150
mA
mA
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
1. Input and output parameters vary 1:1 with V
CC
. V
EE
can vary
−0.46
V / +0.06 V.
2. Outputs are terminated through a 50
W
resistor to V
CC
−
2.0 V.
3. V
IHCMR
min varies 1:1 with V
EE
, max varies 1:1 with V
CC
.
Table 5. 10E SERIES NECL DC CHARACTERISTICS
V
CCx
= 0.0 V; V
EE
=
−5.0
V (Note 4)
0°C
Symbol
I
EE
V
OH
VOH
sout
V
OL
V
IH
V
IL
V
BB
V
IHCMR
Characteristic
Power Supply Current
Output HIGH Voltage (Note 5)
Output HIGH Voltage sout/sout
Output LOW Voltage (Note 5)
Input HIGH Voltage (Single−Ended)
Input LOW Voltage (Single−Ended)
Output Voltage Reference
Input HIGH Voltage Common Mode
Range (Differential Configuration)
(Note 6)
Input HIGH Current
Input LOW Current
0.5
0.3
−1020
−1025
−1950
−1170
−1950
−1.38
−2.8
−1790
−1005
−1715
Min
Typ
154
−930
Max
185
−840
−830
−1630
−840
−1480
−1.27
−0.4
−980
−1025
−1950
−1130
−1950
−1.35
−2.8
−1790
−970
−1715
Min
25°C
Typ
154
−895
Max
185
−810
−830
−1630
−810
−1480
−1.25
−0.4
−910
−1025
−1950
−1060
−1950
−1.31
−2.8
−1773
−970
−1698
Min
85°C
Typ
154
−815
Max
185
−720
−830
−1595
−720
−1445
−1.19
−0.4
Unit
mA
mV
mV
mV
mV
mV
V
V
I
IH
I
IL
150
0.5
0.065
150
0.3
0.2
150
mA
mA
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
4. Input and output parameters vary 1:1 with V
CC
. V
EE
can vary
−0.46
V / +0.06 V.
5. Outputs are terminated through a 50
W
resistor to V
CC
−
2.0 V.
6. V
IHCMR
min varies 1:1 with V
EE
, max varies 1:1 with V
CC
.
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