參數(shù)資料
型號： PCK2002MDB
廠商： NXP SEMICONDUCTORS
元件分類： 時(shí)鐘及定時(shí)
英文描述： 0-300 MHz I2C 1:10 clock buffer
中文描述： PCK2000 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
封裝： 5.30 MM, PLASTIC, MO-150, SOT341-1, SSOP-28
文件頁數(shù)： 2/12頁
文件大?。?/td> 92K
代理商： PCK2002MDB
Philips Semiconductors
Product data
PCK2002M
0–300 MHz I
2
C 1:10 clock buffer
2
2001 Jul 19
853-2268 26745
FEATURES
HIGH speed, LOW noise non-inverting 1:10 buffer
Mobile (reduced pincount) version of PCK2002
Typically used to support two SDRAM DIMMs
28-pin SSOP and TSSOP packages
See PCK2002 for 48-pin 1-18 buffer part supporting up to
4 SDRAM DIMMs
Optimized for 66 MHz, 100 MHz and 133 MHz operation
Multiple V
DD
and V
SS
pins for noise reduction
Spread spectrum compliant
175 ps skew outputs
Individual clock output enable/disable via I
2
C
DESCRIPTION
The PCK2002M is a 1–10 fanout buffer used for 133/100 MHz CPU,
66/33 MHz PCI, 14.318 MHz REF, or 133/100/66 MHz SDRAM
clock distribution. 10 outputs are typically used to support up to
2 SDRAM DIMMs commonly found in laptop or mobile applications.
The PCK2002M has the same features and operating characteristics
of the PCK2002 and is available in the SSOP 28 pin package.
All clock outputs meet Intel’s drive, rise/fall time, accuracy, and skew
requirements. An I
2
C interface is included to allow each output to be
enabled/disabled individually. An output disabled via the I
2
C
interface will be held in the LOW state. In addition, there is an OE
input which 3-states all outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
t
PLH
t
PHL
t
r
t
f
I
CC
Propagation delay
BUF_IN to BUF_OUT
n
Rise time
V
CC
= 3.3 V, CL = 30 pF
2.7
2.9
1.1
ns
V
CC
= 3.3 V, CL = 30 pF
V
CC
= 3.3 V, CL = 30 pF
V
CC
= 3.465 V
ns
Fall time
1.0
ns
μ
A
Total supply current
35
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
0 to +70
°
C
0 to +70
°
C
ORDER CODE
DRAWING NUMBER
28-Pin Plastic SSOP
PCK2002MDB
SOT341–1
28-Pin Plastic TSSOP
PCK2002MPW
SOT361–1
PIN CONFIGURATION
3
4
5
6
7
8
9
10
11
12
17
18
19
20
21
22
23
24
25
26
BUF_OUT1
V
SS0
V
DD1
BUF_OUT2
BUF_OUT3
V
SS1
BUF_IN
V
DD4
BUF_OUT16
BUF_OUT17
V
SS4
V
DD5
OE
V
SS8
BUF_OUT12
BUF_OUT13
V
DD8
V
SS9
BUF_OUT14
V
SS5
13
16
V
DDI2C
V
SSI2C
14
15
SDA
SCL
TOP VIEW
1
2
27
28
V
DD0
BUF_OUT0
BUF_OUT15
V
DD9
SA00550
P
Intel and Pentium are registered trademarks of Intel Corporation.
I
2
C is a trademark of Philips Semiconductors Corporation.
PIN DESCRIPTION
PIN
NUMBER
I/O
TYPE
SYMBOL
FUNCTION
2, 3, 6, 7
Output
BUF_OUT
(0–3)
BUF_OUT
(12–15)
BUF_OUT
(16–17)
BUF_IN
Buffered clock outputs
22, 23, 26,
27
Output
Buffered clock outputs
11, 18
Output
Buffered clock outputs
9
Input
Buffered clock input
20
Input
OE
Active high output
enable
I
2
C serial data
I
2
C serial clock
14
I/O
SDA
15
Input
SCL
1, 5, 10,
19, 24, 28
4, 8, 12,
17, 21, 25
13
Input
V
DD (0, 1, 4, 5, 8, 9)
3.3 V power supply
Input
V
SS (0, 1, 4, 5, 8, 9)
Ground
Input
V
DDI2C
V
DDI2C
3.3 V I
2
C power supply
I
2
C ground
16
Input
相關(guān)PDF資料
PDF描述
PCK2002MPW 0-300 MHz I2C 1:10 clock buffer
PCK2002P 140 MHz PCI-X clock buffer
PCK2002PDP 140 MHz PCI-X clock buffer
PCK2002PD 140 MHz PCI-X clock buffer
PCK2002 0-300 MHz I2C 1:18 clock buffer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCK2002MPW 功能描述:時(shí)鐘緩沖器 14.318-167MHZ I2C 1:10CLK BUFR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
PCK2002MPW,112 功能描述:時(shí)鐘緩沖器 14.318-167MHZ I2C 1:10CLK BUFR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
PCK2002MPW,118 功能描述:時(shí)鐘緩沖器 14.318-167MHZ I2C 1:10CLK BUFR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
PCK2002MPW-T 功能描述:時(shí)鐘緩沖器 14.318-167MHZ I2C 1:10CLK BUFR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
PCK2002P 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:140 MHz PCI-X clock buffer
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