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KM718FV4021H-6 Datasheet(PDF) 11 Page - Samsung semiconductor |
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KM718FV4021H-6 Datasheet(HTML) 11 Page - Samsung semiconductor |
11 / 12 page Rev 1.0 KM718FV4021 128Kx36 & 256Kx18 SRAM - 11 KM736FV4021 Dec. 1998 JTAG DC OPERATING CONDITIONS NOTE : 1. The input level of SRAM pin is to follow the SRAM DC specification . Parameter Symbol Min Typ Max Unit Note Power Supply Voltage VDD 3.15 3.3 3.45 V Input High Level VIH 2.0 - VDD+0.3 V Input Low Level VIL -0.3 - 0.8 V Output High Voltage(IOH=-2mA) VOH 2.4 - VDD V Output Low Voltage(IOL=2mA) VOL VSS - 0.4 V JTAG TIMING DIAGRAM JTAG AC Characteristics Parameter Symbol Min Max Unit Note TCK Cycle Time tCHCH 50 - ns TCK High Pulse Width tCHCL 20 - ns TCK Low Pulse Width tCLCH 20 - ns TMS Input Setup Time tMVCH 5 - ns TMS Input Hold Time tCHMX 5 - ns TDI Input Setup Time tDVCH 5 - ns TDI Input Hold Time tCHDX 5 - ns SRAM Input Setup Time tSVCH 5 - ns SRAM Input Hold Time tCHSX 5 - ns Clock Low to Output Valid tCLQV 0 10 ns JTAG AC TEST CONDITIONS NOTE : 1. See SRAM AC test output load on page 5. Parameter Symbol Min Unit Note Input High/Low Level VIH/VIL 3.0/0.0 V Input Rise/Fall Time TR/TF 2.0/2.0 ns Input and Output Timing Reference Level 1.5 V 1 TCK TMS TDI TDO tCHCH tMVCH tCHMX tCHCL tCLCH tDVCH tCHDX tCLQV |
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