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參數(shù)資料
| 型號(hào)： | CDC303 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | "1-To-8 |
| 中文描述： | 具有預(yù)設(shè)和清零功能的 1 到 8 除 2 時(shí)鐘驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 117K |
| 代理商： | CDC303 |
CDC303
OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER
SCAS323A – JULY 1990 – REVISED NOVEMBER 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Replaces SN74AS303
Maximum Output Skew Between Same
Phase Outputs of 1 ns
Maximum Pulse Skew of 1 ns
TTL-Compatible Inputs and Outputs
Center-Pin V
CC
and GND Configurations
Minimize High-Speed Switching Noise
Package Options Include Plastic
Small-Outline (D) Package and Standard
Plastic (N) 300-mil DIPs
description
The CDC303 contains eight flip-flops designed to have low skew between outputs. The eight outputs (six
in-phase with CLK and two out-of-phase) toggle on successive CLK pulses. Preset (PRE) and clear (CLR)
inputs are provided to set the Q and Q outputs high or low independent of the clock (CLK) input.
The CDC303 has output and pulse-skew parameters t
sk(o)
and t
sk(p)
to ensure performance as a clock driver
when a divide-by-two function is required.
The CDC303 is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUTS
CLR
PRE
CLK
Q1–Q6
Q7–Q8
L
H
X
L
H
H
L
X
H
L
L
L
L
L
X
↑
L
H
H
Q0
Q0
Q0
Q0
H
H
This configuration does not persist when
PRE or CLR returns to its inactive (high)
level.
logic symbol
S
10
R
14
11
CLK
Q1
15
Q2
16
Q3
1
Q4
2
Q5
6
Q6
7
8
9
T
PRE
CLR
Q8
Q7
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Copyright
1995, Texas Instruments Incorporated
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.
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.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Q3
Q4
GND
GND
GND
Q5
Q6
Q7
Q2
Q1
CLR
V
CC
V
CC
CLK
PRE
Q8
D OR N PACKAGE
(TOP VIEW)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDC303D | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 1-8,Divide-By-2 Clock Driver 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 |
| CDC303DG4 | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 1-8,Divide-By-2 Clock Driver 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 |
| CDC303DR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| CDC303NS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CDC303NSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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