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參數(shù)資料
| 型號(hào)： | CDC244 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Clock Driver with 3 State Output(八時(shí)鐘驅(qū)動(dòng)器(三態(tài)輸出)) |
| 中文描述： | 八路時(shí)鐘驅(qū)動(dòng)器，帶有三態(tài)輸出（八時(shí)鐘驅(qū)動(dòng)器（三態(tài)輸出）） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 148K |
| 代理商： | CDC244 |
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.
CDC244
OCTAL CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS501A – APRIL 1995 – REVISED NOVEMBER 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art EPIC-
ΙΙ
B
BiCMOS Design
Significantly Reduces Power Dissipation
750-ps Maximum Output Skew Between All
Outputs
Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
Typical V
OLP
(Output Ground Bounce)
< 1 V at V
CC
= 5 V, T
A
= 25
°
C
High-Drive Outputs (–32-mA I
OH
,
64-mA I
OL
)
Packaged in Shrink Small-Outline Package
description
This octal clock driver is designed specifically to improve the performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters. The CDC244 provides a low-cost
solution in applications requiring skews of less than 500 ps.
The CDC244 is organized as two 4-bit buffers/line drivers with separate output-enable (OE) inputs. When OE
is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the
high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The CDC244 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count and
functionality of standard small-outline packages in less than half the printed-circuit-board area.
The CDC244 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each driver)
INPUTS
OUTPUT
Y
OE
L
A
H
H
L
L
L
H
X
Z
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1995, Texas Instruments Incorporated
DB PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
V
CC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
EPIC-
Π
B is a trademark of Texas Instruments Incorporated.
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| CDC2509APWR | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 3.3V Clock RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
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