參數(shù)資料
型號(hào): NSAM265SRA
廠商: National Semiconductor Corporation
英文描述: CompactSPEECH Digital Speech Processors
中文描述: CompactSPEECH數(shù)字語(yǔ)音處理器
文件頁(yè)數(shù): 36/58頁(yè)
文件大小: 712K
代理商: NSAM265SRA
Appendix A Device Specifications
(Continued)
A.4 SWITCHING CHARACTERISTICS
A.4.1 DEFINITIONS
All timing specifications in this section refer to 0.8V or 2.0V
on the rising or falling edges of the signals, as illustrated in
Figures A-3 through A-10, unless specifically stated other-
wise.
Maximum times assume capacitive loading of 50 pF.
CLKIN crystal frequency is 40.96 MHz.
Note:
CTTL is an internal signal and is used as a reference to explain the
timing of other signals. See Figure A-21.
TL/EE/12378–19
Signal valid, active or inactive time, after a rising edge of CTTL or MWCLK.
FIGURE A-3. Synchronous Output Signals (Valid, Active and Inactive)
TL/EE/12378–20
Signal valid time, after a falling edge of MWCLK.
FIGURE A-4. Synchronous Output Signals (Valid)
TL/EE/12378–21
Signal hold time, after a rising edge of CTTL.
FIGURE A-5. Synchronous Output Signals (Hold)
36
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