11
Chapter 1: General Information
Specifications
The specifications are the performance standards against which the product is
tested.
Characteristics
These characteristics are not specifications, but are included as additional
information.
Maximum State Speed (selectable)
200 MHz
Minimum Master to Master Clock Time*
5.000 ns
Threshold Accuracy
± (65 mV + 1.5% of threshold setting)
Setup/Hold Time
*
Single Clock, Single Edge
4.5/-2.0 ns through -2.0/4.5 ns, adjustable in 100 ps
increments
Single Clock, Multiple Edges
5.0/-2.0 ns through -1.5/4.5 ns, adjustable in 100 ps
increments
Multiple Clocks, Multiple Edges
5.0/-2.0 ns through -1.5/4.5 ns, adjustable in 100 ps
increments
* Specified for an input signal VH =
−
0.9 V, VL =
−
1.7 V, slew rate = 1 V/ns, and threshold =
−
1.3 V.
Full Channel
Half Channel
Maximum State Clock Rate
150 MHz
not applicable
Maximum Conventional Timing Rate
250 MHz
500 MHz
Memory Depth (1680A, or 1690A-series)
512 K
1024 K
Memory Depth (1680AD or 1690AD-series)
2048 K
4196 K
Channel Count
1680A,AD or 1690A,AD
136
68
1681A,AD or 1691A,AD
102
51
1682A,AD or 1692A,AD
68
34
1683A,AD or 1693A,AD
34
17
Summary of Contents for 1680 series
Page 13: ...13 Chapter 1 General Information Dimensions 1680A AD Series 1690A AD Series...
Page 74: ...74 Chapter 3 Testing Performance Performance Test Record...
Page 142: ...142 Chapter 6 Replacing Assemblies 1690A AD series disassembly assembly...
Page 172: ...172 Chapter 8 Theory of Operation Self Tests Descriptions...
Page 174: ......