pck2001r NXP Semiconductors, pck2001r Datasheet - Page 2

• Manufacturer Part Number: pck2001r
• Description: 14.318 . 133 Mhz I2c 1 6 Clock Buffer
• Manufacturer: NXP Semiconductors

FEATURES
•
•
•
•
•
•
•
•
QUICK REFERENCE DATA
ORDERING INFORMATION
PIN CONFIGURATION
Intel and Pentium are registered trademarks of Intel Corporation.
I
2
Philips Semiconductors
2002 Dec 13
C is a trademark of Philips Semiconductors Corporation.
Typically used to support four registered SDRAM DIMMs
16-pin SSOP package
See PCK2001 for 48-pin 1:18 buffer part
See PCK2001M for 28-pin 1:10 buffer part
Operating frequency: 0 - 533 MHz
Optimized for 33 MHz, 66 MHz, 100 MHz and 133 MHz operation
Part-to-part skew < 500 ps
175 ps skew outputs typical
533 MHz I
SYMBOL
16-Pin Plastic SSOP
I
t
t
CC
PLH
PHL
t
t
r
f
PACKAGES
BUF_OUT0
BUF_OUT2
BUF_OUT7
Propagation delay
BUF_IN to BUF_OUT
Rise time
Fall time
Total supply current
BUF_IN
V
V
DDI
2
SDA
SS0
V
C 1:6 clock buffer
SS
2
C
1
2
3
4
5
6
7
8
TOP VIEW
PARAMETER
TEMPERATURE RANGE
n
16
15
14
13
12
10
11
9
SA00542
V
BUF_OUT14
V
BUF_OUT11
V
BUF_OUT17
V
SCL
0 to +70 °C
DD9
SS9
DD5
SSI
2
C
V
V
V
V
CC
CC
CC
CC
= 3.3 V, CL = 30 pF
= 3.3 V, CL = 30 pF
= 3.3 V, CL = 20 pF
= 3.465 V
2
•
•
•
•
DESCRIPTION
The PCK2001R is a 1- 6 fanout buffer used for 133/100 MHz CPU,
66/33 MHz PCI, 14.318 MHz REF, or 133/100/66 MHz SDRAM clock
distribution. 6 outputs are typically used to support up to 4 registered
SDRAM DIMMs commonly found in server applications.
PIN DESCRIPTION
Individual SDRAM clock output enable/disable via I
Multiple V
3.3 V operation
ESD protection exceeds 2000 V per Standard 801.2
NUMBER
13, 15
12, 16
2, 14
6, 11
PIN
1, 3
10
4
8
9
7
CONDITIONS
ORDER CODE
PCK2001RDB
DD
, V
SS
Output
Output
Output
TYPE
Input
Input
Input
Input
Input
Input
I/O
I/O
pins for noise reduction
BUF_OUT
BUF_OUT
BUF_OUT
SYMBOL
BUF_IN
(11, 14)
V
(7, 17)
V
(0, 2)
SDA
SCL
V
(5, 9)
(0, 9)
V
DDI
SSI
DD
SS
2
2
C
C
DRAWING NUMBER
Buffered clock outputs
Buffered clock outputs
Buffered clock outputs
Buffered clock input
I
I
3.3 V power supply
Ground
3.3 V I
I
TYPICAL
2
2
2
C serial data
C serial clock
C ground
PCK2001R
700
2.5
2.5
1.0
50
SOT369-1
FUNCTION
2
C power supply
2
C
Product data
UNIT
µA
ns
ns
ps