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參數(shù)資料
| 型號： | IDT5993A-7QI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK |
| 中文描述： | PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| 封裝： | QSOP-28 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 65K |
| 代理商： | IDT5993A-7QI |
1
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT5993A
PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK
S EPT EMBER 2001
2001 Integrated Device Technology, Inc.
DSC 5844/1
c
COMMERCIAL AND INDUS T RIAL T EMPERAT URE RANGES
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
3 pairs of programmable skew outputs
Low skew: 200ps same pair, 250ps all outputs
Selectable positive or negative edge synchronization:
Excellent for DSP applications
Synchronous output enable
Output frequency: 3.75MHz to 100MHz
2x, 4x, 1/2, and 1/4 outputs
5V with TTL outputs
3 skew grades:
IDT5993A-2: t
SKEW0
<250ps
IDT5993A-5: t
SKEW0
<500ps
IDT5993A-7: t
SKEW0
<750ps
3-level inputs for skew and PLL range control
PLL bypass for DC testing
External feedback, internal loop filter
46mA I
OL
high drive outputs
Low Jitter: <200ps peak-to-peak
Outputs drive 50
terminated lines
Available in QSOP package
FUNCTIONAL BLOCK DIAGRAM
GND/sOE
1Q
0
Skew
Select
1Q
1
1F1:0
3
3
2Q
0
Skew
Select
2Q
1
2F1:0
FS
3
REF
PLL
FB
3
3Q
0
Skew
Select
3Q
1
3F1:0
3
3
4Q
0
4Q
1
3
V
CCQ
/PE
IDT5993A
PROGRAMMABLE SKEW
PLL CLOCK DRIVER
TURBOCLOCK
DESCRIPTION:
The IDT5993A is a high fanout PLL based clock driver intended for
high performance computing and data-communications applications. A
key feature of the programmable skew is the ability of outputs to lead or
lag the REF input signal. The IDT5993A has six programmable skew
outputs and two zero skew outputs. Skew is controlled by 3-level input
signals that may be hard-wired to appropriate HIGH-MID-LOW levels.
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