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GMS90C58 数据表(PDF) 40 Page - Hynix Semiconductor |
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GMS90C58 数据表(HTML) 40 Page - Hynix Semiconductor |
40 / 59 page GMS90 Series 36 Dec. 1998 Ver 3.0 AC Characteristics for GMS90 series (24MHz version) VCC= 5V + 10%, −15%; VSS= 0V; TA= 0°C to 70°C (CL for port 0. ALE and PSEN outputs = 100pF; CL for all other outputs = 80pF) External Program Memory Characteristics † Interfacing the GMS90 series to devices with float times up to 35 ns is permissible. This limited bus contention will not cause any damage to port 0 Drivers. Parameter Symbol 24 MHz Oscillator Variable Oscillator 1/tCLCL = 3.5 to 24MHz Unit Min. Max. Min. Max. ALE pulse width tLHLL 43 - 2tCLCL-40 - ns Address setup to ALE tAVLL 17 - tCLCL-25 - ns Address hold after ALE tLLAX 17 - tCLCL-25 - ns ALE low to valid instruction in tLLIV -80 - 4tCLCL-87 ns ALE to PSEN tLLPL 22 - tCLCL-20 - ns PSEN pulse width tPLPH 95 - 3tCLCL-30 - ns PSEN to valid instruction in tPLIV -60 - 3tCLCL-65 ns Input instruction hold after PSEN tPXIX 0- 0 - ns Input instruction float after PSEN tPXIZ † -32 - tCLCL-10 ns Address valid after PSEN tPXAV † 37 - tCLCL-5 - ns Address to valid instruction in tAVIV -148 - 5tCLCL-60 ns Address float to PSEN tAZPL 0- 0 - ns |
类似零件编号 - GMS90C58 |
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类似说明 - GMS90C58 |
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