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STAC9708 数据表(PDF) 44 Page - List of Unclassifed Manufacturers |
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STAC9708 数据表(HTML) 44 Page - List of Unclassifed Manufacturers |
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44 / 56 page ![]() SigmaTel, Inc. Preliminary STAC9708/11 44 10/02/98 9.7 ATE Test Mode Figure 20. ATE Test Mode RESET# SDATA_OUT SDATA_IN, BIT_CLK Toff Hi-Z Tsetup2rst Table 29. ATE Test Mode PARAMETER SYMBOL MIN TYP MAX UNITS Setup to trailing edge of RESET# (also applies to SYNC) Tsetup2rst 15.0 - - ns Rising edge of RESET# to Hi-Z delay Toff - - 25.0 ns Notes: 1. All AC-Link signals are normally low through the trailing edge of RESET#. Bringing SDATA_OUT high for the trailing edge of RESET# causes STAC9708/11’s AC-Link outputs to go high impedance which is suitable for ATE in circuit testing. 2. Once either of the two test modes have been entered, the STAC9708/11 must be issued another RESET# with all AC-Link signals low to return to the normal operating mode. # denotes active low. |
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