CDC208NSR [TI]
5V 双路 1:4 时钟驱动器 | NS | 20 | -40 to 85;
| 型号： | CDC208NSR |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 5V 双路 1:4 时钟驱动器 | NS | 20 | -40 to 85 时钟 驱动 时钟驱动器 |
| 文件： | 总10页 (文件大小：159K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
DW PACKAGE
(TOP VIEW)
Low-Skew Propagation Delay
Specifications for Clock-Driver
Applications
1Y2
1Y3
1Y4
GND
GND
GND
GND
2Y1
1Y1
1A
1OE1
1OE2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TTL-Compatible Inputs and
CMOS-Compatible Outputs
Flow-Through Architecture Optimizes
PCB Layout
V
CC
Center-Pin V
and GND Pin
CC
V
CC
Configurations Minimize High-Speed
Switching Noise
2A
2OE1
2OE2
2Y4
EPIC (Enhanced-Performance Implanted
CMOS) 1-µm Process
2Y2
2Y3
500-mA Typical Latch-Up Immunity at
125°C
Package Options Include Plastic
Small-Outline (DW)
description
The CDC208 contains dual clock-driver circuits that fanout one input signal to four outputs with minimum skew
for clock distribution (see Figure 2). The device also offers two output-enable (OE1 and OE2) inputs for each
circuit that can force the outputs to be disabled to a high-impedance state or to a high- or low-logic level
independent of the signal on the respective A input.
Skew parameters are specified for a reduced temperature and voltage range common to many applications.
The CDC208 is characterized for operation from –40°C to 85°C.
FUNCTION TABLES
INPUTS
OUTPUTS
1OE1 1OE2
1A
L
1Y1
L
1Y2
L
1Y3
L
1Y4
L
L
L
L
L
H
X
H
H
H
H
L
H
L
L
L
L
L
H
H
X
H
H
H
H
H
X
Z
Z
Z
Z
INPUTS
OUTPUTS
2OE1 2OE2
2A
L
2Y1
L
2Y2
L
2Y3
L
2Y4
L
L
L
L
L
H
X
H
H
H
H
L
H
L
L
L
L
L
H
H
X
H
H
H
H
H
X
Z
Z
Z
Z
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.
EPIC is a trademark of Texas Instruments Incorporated.
Copyright 1998, 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.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
†
logic symbol
X/Y
1
18
1
2
3
V4
1
1OE1
1OE2
17
G5
EN
2
20
1
4, 5
1Y1
1Y2
1Y3
1Y4
4, 5
4, 5
4, 5
19
2
1A
3
13
12
8
9
2Y1
2Y2
2Y3
2Y4
2OE1
2OE2
10
11
14
2A
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
18
1OE1
20
1
1Y1
1Y2
17
1OE2
2
3
1Y3
1Y4
19
1A
13
2OE1
8
9
2Y1
2Y2
12
2OE2
10
11
2Y3
2Y4
14
2A
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
CC
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
+ 0.5 V
+ 0.5 V
I
CC
CC
Output voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
O
Input clamp current, I (V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
IK
I
I
CC
Output clamp current, I
(V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
OK
O O CC
Continuous output current, I (V = 0 to V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Continuous current through V
Maximum power dissipation at T = 55°C (in still air) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6 W
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
O
O
CC
CC
or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±200 mA
A
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils.
Formoreinformation,refertothePackageThermalConsiderationsapplicationnoteinthe1994ABTAdvancedBiCMOSTechnology
Data Book, literature number SCBD002B.
recommended operating conditions
MIN NOM
MAX
UNIT
V
V
V
V
V
Supply voltage
4.5
2
5
5.5
CC
High-level input voltage
Low-level input voltage
Input voltage
V
IH
0.8
V
IL
0
V
V
I
CC
I
I
High-level output current
Low-level output current
Input transition rise or fall rate
Input clock frequency
Operating free-air temperature
–24
24
mA
mA
ns/V
MHz
°C
OH
OL
∆t/∆v
0
10
f
60
clock
T
–40
85
A
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
A
= 25°C
PARAMETER
TEST CONDITIONS
V
MIN
MAX
UNIT
CC
MIN
4.4
TYP
MAX
4.5 V
5.5 V
4.5 V
5.5 V
5.5 V
4.5 V
5.5 V
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
4.4
5.4
I
= –50 µA
OH
5.4
V
3.94
4.94
3.8
V
OH
OL
I
I
I
= –24 mA
= –75 mA
= 50 µA
OH
OH
OL
4.8
†
3.85
0.1
0.1
0.1
0.1
V
0.36
0.36
0.44
0.44
1.65
±1
V
I
I
= 24 mA
OL
†
= 75 mA
OL
I
I
I
V = V
or GND
±0.1
±0.5
8
µA
µA
µA
I
I
CC
V
= V
or GND
±5
OZ
CC
O
CC
V = V
or GND,
I
O
= 0
80
I
CC
One input at 3.4 V,
Other inputs at V
‡
∆I
CC
5.5 V
0.9
1
mA
or GND
CC
or GND
C
C
V = V
5 V
5 V
4
pF
pF
i
I
CC
= V or GND
CC
V
10
o
O
†
‡
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or V
.
CC
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
switching characteristics over recommended operating free-air temperature range,
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
V
CC
T
A
= 25°C
TYP
8.5
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
MIN
MAX
UNIT
ns
MIN
5.3
3.6
4.7
4.4
4.4
5
MAX
10.9
11
t
t
t
t
t
t
t
t
5.3
3.6
4.7
4.4
4.4
5
11.7
11.5
12.8
12.4
12.4
14.9
10.2
9.9
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
1A and 2A
Any Y
Any Y
Any Y
Any Y
7.7
8.5
11.7
11.3
11.3
13.3
9.3
1OE1, 1OE2, and
2OE1, 2OE2
ns
8.4
1OE2 or 2OE2
1OE1 or 2OE1
1OE2 or 2OE2
1OE1 or 2OE1
8.1
ns
9.6
4.2
5.4
7.4
4.2
5.4
ns
7.5
9.2
switching characteristics, V
= 5 V ± 0.25 V, T = 25°C to 70°C (see Note 3 and Figures 1 and 2)
A
CC
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
MIN
MAX
UNIT
t
t
t
6.6
6.6
10.2
9.8
1
PLH
PHL
sk(o)
1A and 2A
1A and 2A
Any Y
Any Y
ns
ns
NOTE 3: All specifications are valid only for all outputs switching simultaneously and in phase.
operating characteristics, V
= 5 V, T = 25°C
A
CC
PARAMETER
TEST CONDITIONS
= 50 pF, f = 1 MHz
TYP
96
UNIT
Outputs enabled
Outputs disabled
C
Power dissipation capacitance per bank
C
pF
pd
L
12
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
PARAMETER MEASUREMENT INFORMATION
2 × V
CC
Open
GND
TEST
S1
Open
2 × V
CC
GND
S1
t
t
t
/t
500 Ω
PLH PHL
From Output
Under Test
/t
PLZ PZL
/t
PHZ PZH
C
= 50 pF
L
500 Ω
(see Note A)
3 V
0 V
Output
Control
(low-level
enabling)
(see Note A)
LOAD CIRCUIT FOR OUTPUTS
1.5 V
1.5 V
t
PZL
t
PLZ
3 V
0 V
≈ V
CC
Input
(see Note B)
Output
Waveform 1
1.5 V
1.5 V
50% V
CC
20% V
CC
CC
S1 at 2 × V
(see Note C)
CC
V
OL
t
PLH
t
PHZ
t
PHL
t
PZH
Output
Waveform 2
V
OH
V
OH
80% V
Output
50% V
50% V
S1 at 2 × V
(see Note C)
50% V
CC
CC
V
CC
CC
OL
0 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A.
C
L
includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 3 ns, t ≤ 3 ns.
O
r
f
For testing pulse duration: t = t = 1 to 3 ns. Pulse polarity can be either high-to-low-to-high or low-to-high-to-low.
r
f
C. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
Figure 1. Load Circuit and Voltage Waveforms
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
PARAMETER MEASUREMENT INFORMATION
1A, 2A
1Y1
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PLH1
PLH2
PLH3
PLH4
PLH5
PLH6
PLH7
PLH8
PHL1
PHL2
PHL3
PHL4
PHL5
PHL6
PHL7
PHL8
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
NOTE A: Output skew, t
, is calculated as the greater of:
sk(o)
– The difference between the fastest and slowest of t
– The difference between the fastest and slowest of t
(n = 1, 2, . . . , 8)
(n = 1, 2, . . . , 8)
PLHn
PHLn
Figure 2. Waveforms for Calculation of t
sk(o)
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
CDC208
DUAL 1-LINE TO 4-LINE CLOCK DRIVER
WITH 3-STATE OUTPUTS
SCAS109F – APRIL 1990 – REVISED OCTOBER 1998
MECHANICAL INFORMATION
DW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
16 PIN SHOWN
0.050 (1,27)
16
0.020 (0,51)
0.014 (0,35)
0.010 (0,25)
M
9
0.419 (10,65)
0.400 (10,15)
0.010 (0,25) NOM
0.299 (7,59)
0.293 (7,45)
Gage Plane
0.010 (0,25)
1
8
0°–8°
0.050 (1,27)
0.016 (0,40)
A
Seating Plane
0.004 (0,10)
0.012 (0,30)
0.004 (0,10)
0.104 (2,65) MAX
PINS **
16
20
24
0.610
DIM
0.410
0.510
A MAX
(10,41) (12,95) (15,49)
0.400
0.500
0.600
A MIN
(10,16) (12,70) (15,24)
4040000/D 02/98
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
D. Falls within JEDEC MS-013
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
17-Nov-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
SSOP
SOIC
Drawing
CDC208DBLE
CDC208DW
OBSOLETE
ACTIVE
DB
20
20
TBD
Call TI
Call TI
DW
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CDC208DWG4
CDC208DWR
CDC208DWRG4
CDC208N
ACTIVE
ACTIVE
SOIC
SOIC
SOIC
PDIP
DW
DW
DW
N
20
20
20
20
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
ACTIVE
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
OBSOLETE
TBD
Call TI
Call TI
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS
&
no Sb/Br)
-
please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process
in which TI products or services are used. Information published by TI regarding third-party products or services
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
Use of such information may require a license from a third party under the patents or other intellectual property
of the third party, or a license from TI under the patents or other intellectual property of TI.
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for
such altered documentation.
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that
product or service voids all express and any implied warranties for the associated TI product or service and
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.
Following are URLs where you can obtain information on other Texas Instruments products and application
solutions:
Products
Applications
Audio
Amplifiers
amplifier.ti.com
www.ti.com/audio
Data Converters
dataconverter.ti.com
Automotive
www.ti.com/automotive
DSP
dsp.ti.com
Broadband
Digital Control
Military
www.ti.com/broadband
www.ti.com/digitalcontrol
www.ti.com/military
Interface
Logic
interface.ti.com
logic.ti.com
Power Mgmt
Microcontrollers
power.ti.com
Optical Networking
Security
www.ti.com/opticalnetwork
www.ti.com/security
www.ti.com/telephony
www.ti.com/video
microcontroller.ti.com
Telephony
Video & Imaging
Wireless
www.ti.com/wireless
Mailing Address:
Texas Instruments
Post Office Box 655303 Dallas, Texas 75265
Copyright 2005, Texas Instruments Incorporated
相关型号：
©2020 ICPDF网 联系我们和版权申明