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| 型號(hào)： | ICS8344AYI-01LFT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類(lèi)： | 時(shí)鐘及定時(shí) |
| 英文描述： | LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| 中文描述： | 8344 SERIES, LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBC, LQFP-48 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 240K |
| 代理商： | ICS8344AYI-01LFT |
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IDT
/ ICS
LVCMOS/LVTTL FANOUT BUFFER
8
ICS8344AYI-01 REV. B MAY 10, 2007
ICS8344I-01
LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER
PRELIMINARY
A
PPLICATION
I
NFORMATION
F
IGURE
1. S
INGLE
E
NDED
S
IGNAL
D
RIVING
D
IFFERENTIAL
I
NPUT
Figure 1
shows how the differential input can be wired to accept
single ended levels. The reference voltage V_REF = V
/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio
W
IRING
THE
D
IFFERENTIAL
I
NPUT
TO
A
CCEPT
S
INGLE
E
NDED
L
EVELS
of R1 and R2 might need to be adjusted to position the V_REF in
the center of the input voltage swing. For example, if the input
clock swing is only 2.5V and V
DD
= 3.3V, V_REF should be 1.25V
and R2/R1 = 0.609.
V_REF
R1
1K
C1
0.1u
R2
1K
Single Ended Clock Input
CLKx
nCLKx
VDD
I
NPUTS
:
CLK/nCLK I
NPUT
:
For applications not requiring the use of the differential input,
both CLK and nCLK can be left floating. Though not required, but
for additional protection, a 1k
Ω
resistor can be tied from CLK to
ground.
LVCMOS C
ONTROL
P
INS
:
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω
resistor can be used.
R
ECOMMENDATIONS
FOR
U
NUSED
I
NPUT
AND
O
UTPUT
P
INS
O
UTPUTS
:
LVCMOS O
UTPUT
:
All unused LVCMOS output can be left floating. There should be
no trace attached.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS8344AYI-01T | LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS8344I-01 | LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83905AGLF | LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83905AGLFT | LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS83905AKLF | LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS8344AYI-01T | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS8344BY | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER |
| ICS8344BY-01 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Buffer/Driver |
| ICS8344BY-01T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Buffer/Driver |
| ICS8344BYI | 制造商:ICS 制造商全稱:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER |
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