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SY10H646LJCTR Datasheet

  • SY10H646LJCTR

  • 3.3V SINGLE SUPPLY OCTAL PECL/TTL-TO-TTL

  • 6頁(yè)

  • MICREL   MICREL

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3.3V SINGLE SUPPLY
OCTAL PECL/TTL-TO-TTL
ClockWorks鈩?/div>
SY10H646L
SY100H646L
FEATURES
s
3.3V power supply
s
PECL/TTL-to-TTL version of popular ECLinPS
E111AE/LE
s
Guaranteed low skew specification
s
Three-state enable
s
Differential internal design
s
V
BB
output for single-ended operation
s
Extra TTL and ECL power/ground pins
s
Choice of ECL compatibility: 10K or 100K
s
Matched high and low output impedance
s
Available in 28-pin PLCC package
DESCRIPTION
The SY10/100H646L are single supply, low skew
translating 1:8 clock drivers. Devices in the Micrel-
Synergy H600 translator series utilize the 28-lead PLCC
for optimal power pinning, signal flow-through and
electrical performance. The single supply H646L is similar
to the HA643 which is a dual supply 1:8 version of the
same function.
These devices feature a 24mA TTL output stage, with
AC performance specified into a 20pF load capacitance.
The 10H version is compatible with 10K ECL logic
levels. The 100H version is compatible with 100K levels.
PIN CONFIGURATION
OGND
Q
5
OGND
Q
7
18
17
16
EN
25 24 23 22 21 20 19
Q
3
26
27
28
1
2
3
4
5
6
7
8
9
10 11
Q
4
BLOCK DIAGRAM
OVT
Q
6
Q
0
OGND
Q
2
OVT
Q
1
TOP VIEW
PLCC
15
14
13
12
Q
1
OGND
Q
0
EN
IVT
IGND
V
CCE
V
CCE
V
BB
ECLK
Q
3
TCLK
ECLK
PIN NAMES
Pin
Function
TTL Output Ground (0V)
TTL Output V
CC
(+3.0V)
Internal TTL GND (0V)
Internal TTL V
CC
(+3.0V)
ECL V
EE
(0V)
ECL Ground (+3.0V)
Differential Signal Input (PECL)
V
BB
Reference Output
Signal Outputs (TTL)
Three-State Enable Input (TTL)
Signal Input (TTL)
Rev.: E
Amendment: /0
ECLK
Q
4
OGND
OVT
IGND
Q
5
IVT
V
EE
V
CCE
Q
6
ECLK, ECLK
V
BB
Q
0
鈥換
7
V
BB
Q
7
EN
TCLK
1
V
EE
ECLK
Issue Date: May, 1999
TCLK
IVT
IGND
V
EE
V
EE
Q
2

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