sy605 Micrel Semiconductor, sy605 Datasheet

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sy605

Manufacturer Part Number
sy605
Description
Sy605 125 Mhz Write Programmable Timing Edge Vernier
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
sy605JC
Manufacturer:
Micrel Inc
Quantity:
10 000
Part Number:
sy605JC
Manufacturer:
SYNERGY
Quantity:
20 000
Part Number:
sy605JC TR
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Micrel Inc
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10 000
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sy605JZ
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Part Number:
sy605JZ TR
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Micrel Inc
Quantity:
10 000
FEATURES
BLOCK DIAGRAM
True 125MHz retrigger rate
Pin-compatible with Bt605
15ps delay resolution
Less than
Differential TRIGGER and delay WRITE inputs
Delay spans from 4 to 40ns
Compatible with 10KH ECL logic
Lower power dissipation 350mW typical
Available in 28-pin plastic (PLCC) or metal (MLCC)
J-lead package
D0 - D7
WRITE
TRIG
V
BB
CE
1 LSB timing accuracy
8
D
LATCH
FF
R
0 = STOP
1 = RUN
8
+
DAC
GENERATOR
LINEAR
IEXT
RAMP
PULSE
GEN
125MHz WRITE
PROGRAMMABLE
TIMING EDGE VERNIER
I/V
OUT
1
(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™ bipolar process.
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.
to provide precise timing edge placement; it is also found in
many instrumentation and communications applications.
ASSET™ 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.
DESCRIPTION
PIN CONFIGURATION
Micrel-Synergy's SY605 is an ECL-compatible timing vernier
This device can be retriggered at speeds up to 125MHz,
The SY605 is commonly used in Automatic Test Equipment
Micrel-Synergy's circuit design techniques coupled with
D
D
D
D
D
D
D
0
1
2
3
4
5
6
26
27
28
1
2
3
4
25 24 23
5
6
TOP VIEW
7
PLCC
J28-1
22
8
21 20 19
9 10 11
18
17
16
15
14
13
12
Rev.: E
Issue Date: May, 1998
COMP
NC
COMP
NC
CE
WRITE
V
BB
SY605
Amendment: /0
FINAL
2
1

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sy605 Summary of contents

Page 1

... 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 also found in many instrumentation and communications applications. ...

Page 2

... A –1.36V (typical) output. When the ramp level reaches that of the DAC, the comparator initiates the pulse generator to produce an output pulse resets the ramp and the cycle is ready to begin again. Figure 1. 2 SY605 and COMP2 and V EE0, pins must be connected. EE pins must be connected together. ...

Page 3

... SY605 Unit Max. Unit -735 mV -1450 mV -735 mV -1600 mV 150 A 150 A 150 A 150 A 0.9 LSB 1.0 -1.25 V 2.80 mA 2.40 mA 1.20 mA 0.80 mA 0.60 mA 0.40 mA 6.5 ns 3.8 ns 4.9 ns 6.0 ns 7.1 ns 8.2 ns 9.3 ns 100 mA ...

Page 4

... Periods (ns) 8.0 10.0 11.1 12.5 14.3 16.6 20.0 25.0 33.3 SY605 Max. Unit — 125 MHz 1.0 — ns 3.5 4.5 ns 750 ps — — ns 220 ps/ns ns — — 157 ps 2 — ps — ps — ps/V — — ...

Page 5

... TIMING DIAGRAMS TRIG CE OUT WRITE D0 - DELAY DSU t DATA ± 1 LSB Span vs. Trigger Rates 9 INL - 0.92LSB 8 7 INL - 0.86LSB 6 INL - 0.9LSB 100 110 120 130 Frequency (MHz) Figure INL - 1.14LSB SY605 ...

Page 6

... F ceramic capacitor REXT 1% metal film resistor (selected for proper Tspan) NOTE: The vendor numbers above are listed only as a guide. Substitution of devices with similar characteristics will not affect the performance of the SY605. All devices should be as close as possible to the SY605. V EE1 V ...

Page 7

... Micrel 28 LEAD PLCC (J28-1) 7 SY605 Rev. 03 ...

Page 8

... This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc (408) 914-7878 http://www.micrel.com FAX WEB © 2000 Micrel Incorporated 8 SY605 ...

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