Datasheet > MPC940LAC

MPC940LAC

更新时间： 2024-01-24 09:09:48

品牌	Logo	应用领域
艾迪悌 - IDT		逻辑集成电路驱动时钟
页数	文件大小	规格书
11页	1067K
描述
LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP

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技术参数
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MPC940LAC 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	7 X 7 MM, LQFP-32	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.76
其他特性：	CAN ALSO OPERATE AT 3.3V SUPPLY	系列：	MPC900
输入调节：	DIFFERENTIAL MUX	JESD-30 代码：	S-PQFP-G32
JESD-609代码：	e0	长度：	7 mm
逻辑集成电路类型：	LOW SKEW CLOCK DRIVER	最大I（ol）：	0.02 A
湿度敏感等级：	2	功能数量：	1
反相输出次数：		端子数量：	32
实输出次数：	18	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	LQFP	封装等效代码：	QFP32,.35SQ,32
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE
峰值回流温度（摄氏度）：	240	电源：	3.3 V
传播延迟（tpd）：	5.2 ns	认证状态：	Not Qualified
Same Edge Skew-Max（tskwd）：	0.2 ns	座面最大高度：	1.6 mm
子类别：	Clock Drivers	最大供电电压 (Vsup)：	2.625 V
最小供电电压 (Vsup)：	2.375 V	标称供电电压 (Vsup)：	2.5 V
表面贴装：	YES	技术：	BICMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7 mm	最小 fmax：	250 MHz
Base Number Matches：	1

MPC940LAC 数据手册

LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP

MPC940L

The MPC940L is a 1:18 low voltage clock distribution chip with 2.5 V or 3.3 V LVCMOS

output capabilities. The device features the capability to select either a differential

LVPECL or an LVCMOS compatible input. The 18 outputs are 2.5 V or 3.3 V LVCMOS

compatible and feature the drive strength to drive 50 Ω series or parallel terminated

transmission lines. With output-to-output skews of 150 ps, the MPC940L is ideal as a

clock distribution chip for the most demanding of synchronous systems. The 2.5 V outputs

also make the device ideal for supplying clocks for a high performance microprocessor

based design. For a similar device at a lower price/performance point, the reader is

referred to the MPC9109.

MPC940L

LOW VOLTAGE

1:18 CLOCK

DISTRIBUTION CHIP

•

LVPECL or LVCMOS Clock Input

2.5 V LVCMOS Outputs for Pentium II Microprocessor Support

150 ps Maximum Output-to-Output Skew

Maximum Output Frequency of 250 MHz

32-Lead LQFP Packaging

32-Lead Pb-Free Package Available

Dual or Single Supply Device:

FA SUFFIX

32-LEAD LQFP PACKAGE

CASE 873A-04

•

Dual V_CCSupply Voltage, 3.3 V Core and 2.5 V Output

Single 3.3 V V_CCSupply Voltage for 3.3 V Outputs

Single 2.5 V V_CCSupply Voltage for 2.5 V I/O

With a low output impedance (≈20 Ω), in both the HIGH and LOW logic states, the

AC SUFFIX

32-LEAD LQFP PACKAGE

Pb-FREE PACKAGE

CASE 873A-04

output buffers of the MPC940L are ideal for driving series terminated transmission lines.

With a 20 Ω output impedance the 940L has the capability of driving two series terminated

lines from each output. This gives the device an effective fanout of 1:36. If a lower output

impedance is desired please see the MPC942 data sheet.

The differential LVPECL inputs of the MPC940L allow the device to interface directly

with a LVPECL fanout buffer like the MC100EP111 to build very wide clock fanout trees

or to couple to a high frequency clock source. The LVCMOS input provides a more standard interface for applications requiring only a

single clock distribution chip at relatively low frequencies. In addition, the two clock sources can be used to provide for a test clock

interface as well as the primary system clock. A logic HIGH on the LVCMOS_CLK_SEL pin will select the LVCMOS level clock input. All

inputs of the MPC940L have internal pullup/pulldown resistors so they can be left open if unused.

The MPC940L is a single or dual supply device. The device power supply offers a high degree of flexibility. The device can operate

with a 3.3 V core and 3.3 V output, a 3.3 V core and 2.5 V outputs as well as a 2.5 V core and 2.5 V outputs. The 32-lead LQFP package

was chosen to optimize performance, board space and cost of the device. The 32-lead LQFP has a 7x7 mm body size with a conservative

0.8 mm pin spacing.

Pentium II is a trademark of Intel Corporation.

IDT™ / ICS™ 1:18 CLOCK DISTRIBUTION CHIP

MPC940L REV 7 JUNE 5, 2007

12 3 4 5 6 7...11

中文翻译

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MPC940LAC 替代型号

型号	品牌	替代类型	描述	数据表
83940DY-01LF	IDT	完全替代	Low Skew, 1-to-18 LVPECL-TO-LVCMOS / LVTTL Fanout Buffer

与MPC940LAC相关器件

型号	品牌	获取价格	描述	数据表
MPC940LACR2	IDT	获取价格	LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP
MPC940LFA	IDT	获取价格	LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP
MPC940LFAR2	IDT	获取价格	LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP
MPC941	MOTOROLA	获取价格	LOW VOLTAGE 1:27 CLOCK DISTRIBUTION CHIP
MPC941AE	NXP	获取价格	941 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48, 7 X 7
MPC941AER2	IDT	获取价格	TQFP-48, Reel
MPC941FA	IDT	获取价格	Low Skew Clock Driver, 941 Series, 27 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7
MPC941FA	NXP	获取价格	IC,1:27 OUTPUT,ECL,QFP,52PIN,PLASTIC
MPC941FA	MOTOROLA	获取价格	MPC900 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48, 7 X
MPC941FAR2	MOTOROLA	获取价格	MPC900 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48, 7 X

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