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SY605JCTR Datasheet

  • SY605JCTR

  • 125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER

  • 8頁

  • MICREL   MICREL

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125MHz WRITE
PROGRAMMABLE
TIMING EDGE VERNIER
FEATURES
s
True 125MHz retrigger rate
s
Pin-compatible with Bt605
s
15ps delay resolution
s
Less than
鹵
1 LSB timing accuracy
s
Differential TRIGGER and delay WRITE inputs
s
Delay spans from 4 to 40ns
s
Compatible with 10KH ECL logic
s
Lower power dissipation 350mW typical
s
Available in 28-pin plastic (PLCC) or metal (MLCC)
J-lead package
SY605
DESCRIPTION
Micrel-Synergy's SY605 is an ECL-compatible timing vernier
(delay generator) whose time delay is programmed via an 8-
bit code which is loaded via an independent "WRITE" input.
The SY605 is fabricated in Micrel-Synergy's proprietary
ASSET鈩?bipolar process.
This device can be retriggered at speeds up to 125MHz,
with a delay span as short as 4ns. At minimum span, the
resolution is 4ns/255 = 15.7ps per step. The delay span is
externally adjustable up to 40ns. The SY605 employs
differential TRIGGER and WRITE inputs, and produces a
differential OUTPUT pulse; all other control signals are single-
ended ECL. Edge delay is specified by an 8-bit input which is
loaded into the device with the WRITE signal. The output
pulse width will typically be 3.5ns.
The SY605 is commonly used in Automatic Test Equipment
to provide precise timing edge placement; it is also found in
many instrumentation and communications applications.
Micrel-Synergy's circuit design techniques coupled with
ASSET鈩?technology result in not only ultra-fast performance,
but allow device operation at lower power dissipation than
competing technologies. Outstanding reliability is achieved in
volume production.
BLOCK DIAGRAM
D0 - D7
8
8
LATCH
DAC
I/V
WRITE
+
PULSE
GEN
PIN CONFIGURATION
OUT
OUT
V
CC
V
CC
NC
鈥?/div>
V
BB
CE
D
FF
0 = STOP
1 = RUN
LINEAR
RAMP
GENERATOR
25 24 23 22 21 20 19
D
0
D
1
D
2
D
3
D
4
D
5
D
6
V
CC
NC
OUT
26
27
28
1
2
3
4
5
6
7
8
9
10 11
18
17
16
COMP
2
NC
NC
CE
COMP
1
WRITE
V
BB
TRIG
R
TOP VIEW
PLCC
J28-1
15
14
13
12
IEXT
WRITE
Rev.: E
D
7
V
EE1
TRIG
V
EE0
TRIG
IEXT
Amendment: /0
1
Issue Date: May, 1998

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  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...
  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...
  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz TRIGGER PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL
  • 英文版
    125MHz WRITE PROGRAMMABLE TIMING EDGE VERNIER
    MICREL [Mi...

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