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GMS90C320 Datasheet(PDF) 32 Page - Hynix Semiconductor |
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GMS90C320 Datasheet(HTML) 32 Page - Hynix Semiconductor |
32 / 46 page GMS90C320 28 OCT. 2000 Ver 1.2 AC Characteristics for 16MHz version External Program Memory Characteristics VCC=5V: VCC=5V + 10%, −15%; VSS=0V; TA=0°Cto 70°C (CL for port 0. ALE and PSEN outputs = 100pF; CL for all other outputs = 80pF) VCC=3.3V: VCC=3.3V + 0.3V, −0.6V; VSS=0V; TA=0°Cto 70°C (CL for port0.ALE and PSEN outputs = 50pF; CL for all other outputs = 50pF) Variable clock: Vcc = 5V: 1/tCLCL =3.5 MHz to16MHz Vcc = 3.3V: 1/tCLCL =1 MHz to 16 MHz Parameter Symbol 16 MHz Oscillator Variable Oscillator 1/tCLCL =3.5 to 16MHz Unit Min. Max. Min. Max. ALE pulse width tLHLL 85 - 2tCLCL-40 - ns Address setup to ALE tAVLL 23 - tCLCL-40 - ns Address hold after ALE tLLAX 43 - tCLCL-40 - ns ALE low to valid instruction in tLLIV -150 - 4tCLCL-100 ns ALE to PSEN tLLPL 38 - tCLCL-25 - ns PSEN pulse width tPLPH 153 - 3tCLCL-35 - ns PSEN to valid instruction in tPLIV -88 - 3tCLCL-100 ns Input instruction hold after PSEN tPXIX 0- 0 - ns Input instruction float after PSEN tPXIZ1) 1) Interfacing the GMS90C320 to devices with float times up to 35 ns is permissible. This limited bus contention will not cause any damage to port 0 Drivers. -43 - tCLCL-20 ns Address valid after PSEN tPXAV1) 55 - tCLCL-8 - ns Address to valid instruction in tAVIV -198 - 5tCLCL-115 ns Address float to PSEN tAZPL -10 - -10 - ns |
Número de pieza similar - GMS90C320 |
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Descripción similar - GMS90C320 |
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