參數(shù)資料
型號(hào): SY10H841ZC
廠(chǎng)商: MICREL INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: SINGLE SUPPLY QUAD PECL-TO-TTL W/LATCHED 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, SOIC-16
文件頁(yè)數(shù): 1/6頁(yè)
文件大小: 72K
代理商: SY10H841ZC
Pin
Function
G
T
TTL Ground (0V)
V
T
TTL V
CC
(+5.0V)
V
E
ECL V
CC
(+5.0V)
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)
LEN
Latch Enable Input
DESCRIPTION
FEATURES
SINGLE SUPPLY QUAD
PECL-TO-TTL W/LATCHED
OUTPUT ENABLE
PIN CONFIGURATION
PIN NAMES
BLOCK DIAGRAM
ClockWorks
SY10H841
SY100H841
FINAL
Rev.: F
Issue Date: May, 1999
Amendment: /0
The SY10/100H841 are single supply, low skew
translating 1:4 clock drivers.
The devices feature a 24mA TTL output stage, with
AC performance specified into a 50pF load capacitance.
A latch is provided on-chip. When LEN is LOW (or left
open, in which case it is pulled low by the internal pull-
downs) the latch is transparent. 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 H841 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.
I
Translates positive ECL to TTL (PECL-to-TTL)
I
300ps pin-to-pin skew
I
500ps part-to-part skew
I
Differential internal design for increased noise
immunity and stable threshold inputs
I
V
BB
reference output
I
Single supply
I
Enable input
I
Latch enable input
I
Extra TTL and ECL power/ground pins to reduce
cross-talk/noise
I
High drive capability: 24mA each output
I
Fully compatible with industry standard 10K, 100K
I/O levels
I
Available in 16-pin SOIC package
LEN
Q
3
SOIC
Z16-1
1
16
G
T
2
15
G
E
V
E
Q
2
3
14
V
T
4
13
V
T
5
12
Q
1
6
11
V
BB
G
T
7
10
G
T
Q
0
8
9
EN
D
D
D
D
Q
0
Q
1
Q
2
Q
3
V
BB
EN
D
Q
LEN
1
相關(guān)PDF資料
PDF描述
SY10H841ZCTR SINGLE SUPPLY QUAD PECL-TO-TTL W/LATCHED OUTPUT ENABLE
SY10H842LZH 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY10H842LZHTR 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
SY10H842L 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
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