參數(shù)資料
型號(hào): SY10H842LZHTR
廠商: MICREL INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
中文描述: 10H SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封裝: 0.300 INCH, LEAD FREE, SOIC-16
文件頁(yè)數(shù): 1/6頁(yè)
文件大?。?/td> 83K
代理商: SY10H842LZHTR
1
Precision Edge
SY10H842L
SY100H842L
Micrel, Inc.
M9999-102606
hbwhelp@micrel.com or (408) 955-1690
Pin
Function
G
T
TTL Ground (0V)
V
T
TTL V
CC
(+3.3V)
V
E
ECL V
CC
(+3.3V)
G
E
ECL Ground (0V)
D, D
Signal Input (PECL)
V
BB
V
BB
Reference Output (PECL)
Q
0
- Q
3
Signal Outputs (TTL)
EN
Enable Input (PECL)
DESCRIPTION
FEATURES
Precision Edge
3.3V power supply
Translates positive ECL-to-TTL (PECL-to-TTL)
300ps pin-to-pin skew
500ps part-to-part skew
Differential internal design for increased noise
immunity and stable threshold inputs
V
BB
reference output
Single supply
Enable input
Extra TTL and ECL power/ground pins to reduce
cross-talk/noise
High drive capability: 24mA each output
Fully compatible with industry standard 10K, 100K
I/O levels
Available in 16-pin SOIC package
The SY10/100H842L are single supply, low skew
translating 1:4 clock drivers.
The devices feature a 24mA TTL output stage, with
AC performance specified into a 20pF load capacitance.
A HIGH on the enable pin (EN) forces all outputs LOW.
As frequencies increase to 40MHz and above, precise
timing and shaping of clock signals becomes extremely
important. The H842 solves several clock distribution
problems such as minimizing skew 300ps), maximizing
clock fanout (24mA drive), and precise duty cycle control
through a proprietary differential internal design.
The 10K version is compatible with 10KH ECL logic
levels. The 100K version is compatible with 100K levels.
3.3V SINGLE SUPPLY QUAD
PECL-TO-TTL OUTPUT ENABLE
PIN NAMES
BLOCK DIAGRAM
D
D
Q
0
Q
1
Q
2
Q
3
V
BB
EN
ECL Input
TTL Outputs
Rev.: F
Issue Date:
Amendment: /0
October 2006
Precision Edge is a registered trademark of Micrel, Inc.
Precision Edge
相關(guān)PDF資料
PDF描述
SY10H842L 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY10H842LZC 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY100H842LZC 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY10H842LZCTR 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY100H842LZCTR 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
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