MC10H646FN

更新时间： 2024-11-18 22:15:27

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		时钟驱动器逻辑集成电路微处理器
页数	文件大小	规格书
6页	105K
描述
PENTIUM MICROPROCESSOR PECL/TTL-TTL CLOCK DRIVER

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MC10H646FN 技术参数

生命周期：	Transferred	零件包装代码：	QLCC
包装说明：	QCCJ, LDCC28,.5SQ	针数：	28
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.41	Is Samacsys：	N
其他特性：	PECL-TTL CLOCK DISTRIBUTOR	系列：	10H
输入调节：	DIFFERENTIAL MUX	JESD-30 代码：	S-PQCC-J28
JESD-609代码：	e0	长度：	11.5062 mm
逻辑集成电路类型：	LOW SKEW CLOCK DRIVER	最大I（ol）：	0.024 A
功能数量：	1	反相输出次数：
端子数量：	28	实输出次数：	8
最高工作温度：	85 °C	最低工作温度：
输出特性：	3-STATE	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCJ	封装等效代码：	LDCC28,.5SQ
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	5 V	最大电源电流（ICC）：	185 mA
Prop。Delay @ Nom-Sup：	7 ns	传播延迟（tpd）：	6.5 ns
认证状态：	Not Qualified	Same Edge Skew-Max（tskwd）：	0.5 ns
座面最大高度：	4.57 mm	子类别：	Clock Drivers
最大供电电压 (Vsup)：	5.25 V	最小供电电压 (Vsup)：	4.75 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	ECL	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	J BEND
端子节距：	1.27 mm	端子位置：	QUAD
宽度：	11.5062 mm	Base Number Matches：	1

MC10H646FN 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC10H/100H646 is a single supply, low skew translating 1:8 clock

driver. Devices in the Motorola H600 translator series utilize the 28–lead

PLCC for optimal power pinning, signal flow through and electrical

performance. The single supply H646 is similar to the H643, which is a

dual supply 1:8 version of the same function.

PENTIUM

MICROPROCESSOR

PECL/TTL–TTL

• PECL/TTL–TTL Version of Popular ECLinPS E111

• Low Skew

CLOCK DRIVER

• Guaranteed Skew Spec

• Tri–State Enable

• Differential Internal Design

• V

Output

• Single Supply

• Extra TTL and ECL Power/Ground Pins

• Matched High and Low Output Impedance

• Meets Specifications Required to Drive the Pentium Microprocessor

FN SUFFIX

PLASTIC PACKAGE

CASE 776–02

The H646 was designed specifically to drive series terminated

transmission lines. Special techniques were used to match the HIGH and

LOW output impedances to about 7ohms. This simplifies the choice of the

termination resistor for series terminated applications. To match the HIGH

and LOW output impedances, it was necessary to remove the standard

limiting resistor. As a result, the user should take care in preventing an

output short to ground as the part will be permanently damaged.

The H646 device meets all of the requirements for driving the 60 and 66MHz Pentium Microprocessor. The device has no PLL

components, which greatly simplifies its implementation into a digital design. The eight copies of the clock allows for

point–to–point clock distribution to simplify board layout and optimize signal integrity.

The H646 provides differential PECL inputs for picking up LOW skew PECL clocks from the backplane and distributing it to

TTL loads on a daughter board. When used in conjunction with the MC10/100E111, very low skew, very wide clock trees can be

designed. In addition, a TTL level clock input is provided for flexibility. Note that only one of the inputs can be used on a single

chip. For correct operation, the unused input pins should be left open.

The Output Enable pin forces the outputs into a high impedance state when a logic 0 is applied.

The output buffers of the H646 can drive two series terminated, 50Ω transmission lines each. This capability allows the H646

to drive up to 16 different point–to–point clock loads. Refer to the Applications section for a more detailed discussion in this area.

The 10H version is compatible with MECL 10H ECL logic levels. The 100H version is compatible with 100K levels.

MECL 10H and ECLinPS are trademarks of Motorola, Inc. Pentium is a trademark of Intel Corporation.

8/94

REV 1

Motorola, Inc. 1996

12 3 4 5 6

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与MC10H646FN相关器件

型号	品牌	获取价格	描述	数据表
MC10H646FNG	ONSEMI	获取价格	PECL/TTL−TTL 1:8 Clock Distribution Chip
MC10H646FNR2	ONSEMI	获取价格	PECL/TTL−TTL 1:8 Clock Distribution Chip
MC10H646FNR2G	ONSEMI	获取价格	PECL/TTL−TTL 1:8 Clock Distribution Chip
MC10H660FN	MOTOROLA	获取价格	4-Bit ECL/TTL Load Reducing DRAM Driver
MC10H660FNR2	MOTOROLA	获取价格	ECL to TTL Translator, 1 Func, True Output, BIPolar, PQCC28, PLASTIC, LCC-28
MC10H680	ONSEMI	获取价格	4-Bit Differential ECL Bus/TTL Bus Transceciver
MC10H680_06	ONSEMI	获取价格	4−Bit Differential ECL Bus to TTL Bus Transceiver
MC10H680FN	MOTOROLA	获取价格	4-Bit Differential ECL Bus/TTL Bus Transceiver
MC10H680FN	ONSEMI	获取价格	4−Bit Differential ECL Bus to TTL Bus Transceiver
MC10H680FN	ROCHESTER	获取价格	QUAD TTL TO ECL TRANSCEIVER, COMPLEMENTARY OUTPUT, PQCC28, PLASTIC, LCC-28

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