參數(shù)資料
型號: 11C91DCQR
廠商: National Semiconductor Corporation
英文描述: 650 MHz Prescalers
中文描述: 650兆赫預(yù)分頻器
文件頁數(shù): 7/10頁
文件大?。?/td> 156K
代理商: 11C91DCQR
Functional Description
(Continued)
The ECL outputs have no pull-down resistors and can drive
series or parallel terminated transmission lines. For short
interconnections that do not require impedance matching, a
270
X
to 510
X
resistor to V
EE
can be used to establish the
V
OL
level. Both V
CC
pins must always be used and should
be connected together as close to the package as possible.
Pin 12 must always be connected to the V
EE
side of the
supply, while pin 13 is required only if the TTL output is
used. Low impedance V
CC
and V
EE
distribution and RF by-
pass capacitors are recommended to prevent crosstalk.
Logic Diagram 11C90
TL/F/9892–6
Note:
This diagram is provided for understanding of logic operation only. It should not be used for evaluation of propagation delays as many internal functions are
achieved more efficiently than shown.
Count Sequence Table 11C90
TL/F/9892–7
Note:
A HIGH on MS forces all Qs HIGH.
Operating Mode Table 11C90
Inputs
Output
Response
MS
CE
M
1
M
2
H
L
L
L
L
X
H
L
L
L
X
X
L
H
X
X
X
L
X
H
Set HIGH
Hold
d
11
d
10
d
10
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Don’t Care
7
相關(guān)PDF資料
PDF描述
11C91 Multiconductor Cable; Number of Conductors:4; Conductor Size AWG:20; No. Strands x Strand Size:26 x 34; Jacket Material:EPDM Rubber; Shielding Material:Tinned Copper; Shielding Coverage:85%; Leaded Process Compatible:Yes RoHS Compliant: Yes
11C91D Paired Cable; Number of Conductors:5; Conductor Size AWG:20; No. Strands x Strand Size:26 x 34; Jacket Material:Rubber; Features:Tinned Copper Braid; Impedance:52ohm; Temperature Max:90 C; Voltage Nom.:300V RoHS Compliant: Yes
11E1 DIODE
11E2 DIODE
11ES2 DIODE
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