參數(shù)資料
型號(hào): IDT5T9304PGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: 5T SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
封裝: TSSOP-24
文件頁(yè)數(shù): 1/15頁(yè)
文件大小: 666K
代理商: IDT5T9304PGI
PRELIMINARY
2.5V LVDS, 1:4 CLOCK BUFFER
TERABUFFER II
IDT5T9304
IDT LVDS CLOCK BUFFER TERABUFFER II
1
IDT5T9304 REV. A JULY 23, 2007
Description
The IDT5T9304 2.5V differential clock buffer is a user-selectable
differential input to four LVDS outputs. The fanout from a
differential input to four LVDS outputs reduces loading on the
preceding driver and provides an efficient clock distribution
network. The IDT5T9304 can act as a translator from a differential
HSTL, eHSTL, LVEPECL (2.5V), LVPECL (3.3V), CML, or LVDS
input to LVDS outputs. A single-ended 3.3V / 2.5V LVTTL input
can also be used to translate to LVDS outputs. The redundant
input capability allows for an asynchronous change-over from a
primary clock source to a secondary clock source. Selectable
reference inputs are controlled by SEL.
The IDT5T9304 outputs can be asynchronously enabled/disabled.
When disabled, the outputs will drive to the value selected by the
GL pin. Multiple power and grounds reduce noise.
Applications
Clock distribution
Features
Guaranteed low skew: 25ps (typical)
Very low duty cycle distortion: 250ps (typical)
High speed propagation delay: 1.7ns (typical)
Up to 450MHz operation
Selectable inputs
Hot insertable and over-voltage tolerant inputs
3.3V/2.5V LVTTL, HSTL eHSTL, LVEPECL (2.5V), LVPECL
(3.3V), CML or LVDS input interface
Selectable differential inputs to four LVDS outputs
2.5V V
DD
-40°C to 85°C ambient operating temperature
Available in TSSOP package
Pin Assignment
24-Lead TSSOP
4.4mm x 7.8mm x 1.0mm package body
G Package
Top View
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
GND
PD
nc
VDD
Q1
Q2
VDD
SEL
G
A2
GND
VDD
Q3
Q4
VDD
GL
A1
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization and/or qualification.
Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
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