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參數(shù)資料
| 型號： | 9DB823BFLF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 9DB SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, MO-118, SSOP-48 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 185K |
| 代理商： | 9DB823BFLF |
9DB823B
IDT
Eight Output Differential Buffer for PCIe and Gen 1, Gen 2 and QPI
1444E - 05/09/11
Eight Output Differential Buffer for PCIe Gen 1, Gen 2 and QPI
DATASHEET
1
STOP
LOGIC
SRC_IN
SRC_IN#
DIF(7:0))
CONTROL
LOGIC
BYPASS#_133_100
SDATA
SCLK
PD#
SPREAD
COMPATIBLE
PLL
8
IREF
OE_(7:0)
8
LOCK
SRC_STOP#
HIGH_BW#
M
U
X
Output Features
8 - 0.7V current-mode differential output pairs
Supports zero delay buffer mode and fanout mode
Bandwidth programming available
50-133 MHz operation in PLL mode
33-400 MHz operation in Bypass mode
Functional Block Diagram
Key Specifications
Output cycle-cycle jitter < 50ps.
Output to Output skew <50ps
Phase jitter: PCIe Gen1 < 86ps peak to peak
Phase jitter: PCIe Gen2 < 3.0/3.1ps rms
Phase jitter: QPI < 0.5ps rms
RoHS compliant packaging
Features/Benefits
Spread spectrum modulation tolerant, 0 to -0.5% down
spread and +/- 0.25% center spread.
Supports undriven differential outputs in Power Down and
DIF_STOP# modes for power management.
Note: Polarities shown for OE_INV = 0.
Recommended Application:
DB800Q compatible part with PCIe Gen1, Gen 2 and QPI
support
General Description:
The ICS9DB823 is compatible with the Intel DB800Q Differential
Buffer Specification. This buffer provides 8 PCI-Express SRC or
8 QPI clocks. The ICS9DB823 is driven by a differential output
pair from a CK410B+ or CK509B main clock generator.
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