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参数资料
| 型号： | ICS8344AY-01LF |
| 元件分类： | 时钟及定时 |
| 英文描述： | LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48 |
| 文件页数： | 1/15页 |
| 文件大小： | 135K |
| 代理商： | ICS8344AY-01LF |
8344AY-01
www.icst.com/products/hiperclocks.html
REV. B JULY 24, 2002
1
Integrated
Circuit
Systems, Inc.
ICS8344-01
LOW SKEW, 1-TO-24
DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
GENERAL DESCRIPTION
The ICS8344-01 is a low voltage, low skew
fanout buffer and a member of the HiPerClockS
family of High Performance Clock Solutions from
ICS. The ICS8344-01 has two selectable clock
inputs. The CLKx, nCLKx pairs can accept most
standard differential input levels. The ICS8344-01 is designed
to translate any differential signal level to LVCMOS levels.
The low impedance LVCMOS outputs are designed to drive
50
series or parallel terminated transmission lines. The ef-
fective fanout can be increased to 48 by utilizing the ability of
the outputs to drive two series terminated lines. Redundant
clock applications can make use of the dual clock inputs which
also facilitate board level testing. The clock enable is inter-
nally synchronized to eliminate runt pulses on the outputs
during asynchronous assertion/deassertion of the clock en-
able pin. The outputs are driven low when disabled. The
ICS8344-01 is characterized at full 3.3V, full 2.5V and mixed
3.3V input and 2.5V output operating supply modes.
Guaranteed output and part-to-part skew characteristics make
the ICS8344-01 ideal for those clock distribution applications
demanding well defined performance and repeatability.
FEATURES
24 LVCMOS outputs, 7 typical output impedance
2 selectable CLKx, nCLKx inputs
CLK0, nCLK0 and CLK1, nCLK1 pairs can accept the
following input levels: LVDS, LVPECL, LVHSTL, SSTL,
HCSL
Output frequency up to 250MHz
Translates any single ended input signal to LVCMOS
with resistor bias on nCLK input
Synchronous clock enable
Output skew: 200ps (maximum)
Part-to-part skew: 900ps (maximum)
Bank skew: 85ps (maximum)
Propagation delay: 5ns (maximum)
3.3V, 2.5V or mixed 3.3V, 2.5V operating supply modes
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
BLOCK DIAGRAM
PIN ASSIGNMENT
HiPerClockS
,&6
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
Q16
Q17
VDDO
GND
Q18
Q19
Q20
Q21
VDDO
GND
Q22
Q23
Q7
Q6
VDDO
GND
Q5
Q4
Q3
Q2
VDDO
GND
Q1
Q0
nc
OE
CLK_EN
CLK0
nCLK0
V
DD
GND
CLK1
nCLK1
V
DD
GND
CLK_SEL
Q8
Q9
V
DDO
GND
Q10
Q11
Q12
Q13
V
DDO
GND
Q14
Q15
48-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
ICS8344-01
Q0:Q7
Q8:Q15
Q16:Q23
CLK_SEL
CLK0
nCLK0
CLK1
nCLK1
CLK_EN
OE
LE
Q
nD
0
1
相关PDF资料 |
PDF描述 |
|---|---|
| ICS8344AY-01T | 8344 SERIES, LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS8344AYI-01LFT | LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS8344AYI-01 | LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS8344BY-01LF | LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| ICS8344BY-01LF | LOW SKEW CLOCK DRIVER, 24 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS8344AY-01LFT | 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8344AY-01T | 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER |
| ICS8344AYI-01 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-24 DIFFERENTIAL -TO-LVCMOS/LVTTL FANOUT BUFFER |
| ICS8344AYI-01LF | 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8344AYI-01LFT | 功能描述:IC CLOCK BUFFER MUX 2:24 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
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