SY100HA643JYTR

更新时间： 2024-11-24 02:59:35

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
5页	88K
描述
DUAL SUPPLY OCTAL ECL-TO-TTL

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数据手册

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SY100HA643JYTR 数据手册

Precision Edge

SY100HA643

Micrel, Inc.

DUAL SUPPLY

SY100HA643

OCTAL ECL-TO-TTL

FEATURES

■ ECL/TTL version of popular ECLinPS™ E111

■ 400ps within device skew

■ 800ps part-to-part skew

Precision Edge

■ Latch

DESCRIPTION

■ Differential internal design

■ VBB output

The SY100HA643 is an enhanced dual supply, low skew

translating 1:8 clock driver. Devices in the Micrel H600

translators series utilize the 28-lead PLCC for optimal power

pinning, signal flow through and electrical performance. The

dual-supply HA643 is similar to the H641, which is a single-

supply 1:9 version of the same function, with higher

performance than the H643 versions.

■ Dual supply

■ Reset/Enable

■ Multiple TTL and ECL power/ground pins

■ Fully compatible with MC100H643

■ Higher performance than H643 versions

■ Industrial temperature availability

■ Available in 28-pin PLCC package

The device features a 48mA TTL output stage, with AC

performance specified into a 20pF load capacitance.

Latch is provided on-chip. When LEN is LOW (or left open,

in which case it is pulled LOW by the internal pulldowns)

the latch is transparent. A HIGH on the enable pin (EN)

forces all outputs LOW.

BLOCK DIAGRAM

The 100HA643 is compatible with 100K ECL logic levels.

PIN NAMES

OGND

OVTTTL

IGND

IVT

Function

TTL Output Ground (0V)

Output VCC (+5.0V)

Internal TTL GND (0V)

Internal TTL VCC (+5.0V)

ECL VEE (-5.2/-4.5V)

ECL Ground (0V)

VEE

VCCE

D, D

TTL OUTPUTS

Signal Input (ECL)

VBB

VBB Reference Output

Signal Outputs (TTL)

Enable Input (ECL)

LEN

Q0 - Q7

LEN

Latch Enable Input (ECL)

Precision Edge is a registered trademark of Micrel, Inc.

Rev.:

Amendment:/0

M9999-032906

hbwhelp@micrel.com or (408) 955-1690

Issue Date: March 2006

12 3 4 5

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