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參數資料
| 型號： | CDC112 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1-Line To 9-Line Differential LVPECL Clock Driver(1線-9線差分 LVPECL時鐘驅動器) |
| 中文描述： | 1 -線9線差分LVPECL時鐘驅動器（1線-9線差分LVPECL的時鐘驅動器） |
| 文件頁數： | 1/6頁 |
| 文件大小： | 121K |
| 代理商： | CDC112 |
CDC112
1-LINE TO 9-LINE DIFFERENTIAL LVPECL CLOCK DRIVER
SCAS322D – DECEMBER 1993 – REVISED APRIL 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Low-Output Skew for Clock-Distribution
and Clock-Generation Applications
Differential Low-Voltage Pseudo ECL
(LVPECL)-Compatible Inputs and Outputs
Distributes Differential Clock Inputs to Nine
Differential Clock Outputs
Output Reference Voltage (V
REF
) Allows
Distribution From a Single-Ended Clock
Input
LVTTL-Compatible Output Enable
Packaged in Plastic Chip Carrier
description
This differential LVPECL clock-driver circuit
distributes one pair of differential LVPECL clock
inputs (CLKIN, CLKIN) to nine pairs of differential
clock (Y, Y) outputs with minimum skew for clock
distribution. It is specifically designed for driving
50-
transmission lines.
When the output-enable (OE) is low, the nine differential outputs switch at the same frequency as the differential
clock inputs. When OE is high, the nine differential outputs are in static states (Y outputs are in the low state,
Y outputs are in the high state).
The V
REF
output can be strapped to the CLKIN input for a single-ended CLKIN input.
The CDC112 is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUTS
CLKIN
CLKIN
OE
Yn
Yn
X
X
H
L
H
L
H
L
L
H
H
L
L
H
L
L
VREF
VREF
L
L
L
H
L
H
L
H
VREF
VREF
L
H
L
H
L
L
H
Copyright
1996, Texas Instruments Incorporated
ADVANCE INFORMATION concerns new products in the sampling or
specifications are subject to change without notice.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
3 2 1
13 14
5
6
7
8
9
10
11
Y0
Y0
Y1
V
CC
Y1
Y2
Y2
Y8
Y8
Y7
V
CC
Y7
Y6
Y6
4
15 16 17 18
Y
Y
V
Y
Y
Y
N
V
C
V
28 27 2625
24
23
22
21
20
19
12
Y
C
O
G
C
C
R
FN PACKAGE
(TOP VIEW)
NC – No internal connection
A
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