📄 idt72821.ftm
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<!DOCTYPE FTML SYSTEM "ftml.dtd"><FTML><HEAD><TITLE>FMF Timing for IDT72821 Parts</TITLE><REVISION.HISTORY>version: | author: | mod date: | changes made: V1.0 R. Munden 99 MAY 11 Initial release</REVISION.HISTORY></HEAD><BODY><TIMESCALE>1ns</TIMESCALE><MODEL>IDT72821<FMFTIME>IDT72821L10PF<SOURCE>IDT data sheet December 1998</SOURCE>IDT72821L10TF<SOURCE>IDT data sheet December 1998</SOURCE><COMMENT>The Values listed are for VCC=4.5V to 5.5V, CL=30pF, Ta=0 to 70 Celsius</COMMENT><COMMENT>Typical values are derived</COMMENT><TIMING> (DELAY (ABSOLUTE (IOPATH RSNeg EFNeg (2:7:10) (2:7:10)) (IOPATH RCLK EFNeg (2:4:6.5) (2:4:6.5)) (IOPATH RCLK PAENeg (2:4:6.5) (2:4:6.5)) (IOPATH WCLK FFNeg (2:4:6.5) (2:4:6.5)) (IOPATH WCLK PAFNeg (2:4:6.5) (2:4:6.5)) (IOPATH RSNeg Q0 (2:7:10) (2:7:10) (2:7:10) (2:7:10) (2:7:10) (2:7:10)) (IOPATH RCLK Q0 (2:5:6.5) (2:5:6.5) (2:5:6.5) (2:5:6.5) (2:5:6.5) (2:5:6.5)) (IOPATH OENeg Q0 (2:4:6) (2:4:6) (3:4:6) (2:4:6) (3:4:6) (2:4:6)) )) (TIMINGCHECK (PERIOD (posedge RCLK) (10)) (PERIOD (posedge WCLK) (10)) (WIDTH (posedge RCLK) (4.5)) (WIDTH (negedge RCLK) (4.5)) (WIDTH (negedge RSNeg) (10)) (SETUPHOLD D0 (posedge WCLK) (3) (0.5)) (SETUPHOLD REN1Neg (posedge RCLK) (3) (0.5)) (SETUP REN1Neg (posedge RSNeg) (8)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (5) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (14) ) ) )</TIMING></FMFTIME><FMFTIME>IDT72821L12PF<SOURCE>IDT data sheet December 1998</SOURCE>IDT72821L12TF<SOURCE>IDT data sheet December 1998</SOURCE><COMMENT>The Values listed are for VCC=4.5V to 5.5V, CL=30pF, Ta=0 to 70 Celsius</COMMENT><COMMENT>Typical values are derived</COMMENT><TIMING> (DELAY (ABSOLUTE (IOPATH RSNeg EFNeg (3:9:12) (3:9:12)) (IOPATH RCLK EFNeg (2:6:8) (2:6:8)) (IOPATH RCLK PAENeg (2:6:8) (2:6:8)) (IOPATH WCLK FFNeg (2:6:8) (2:6:8)) (IOPATH WCLK PAFNeg (2:6:8) (2:6:8)) (IOPATH RSNeg Q0 (3:9:12) (3:9:12) (3:9:12) (3:9:12) (3:9:12) (3:9:12)) (IOPATH RCLK Q0 (2:6:8) (2:6:8) (2:6:8) (2:6:8) (2:6:8) (2:6:8)) (IOPATH OENeg Q0 (3:6:7) (3:6:7) (3:6:7) (3:6:7) (3:6:7) (3:6:7)) )) (TIMINGCHECK (PERIOD (posedge RCLK) (12)) (PERIOD (posedge WCLK) (12)) (WIDTH (posedge RCLK) (5)) (WIDTH (negedge RCLK) (5)) (WIDTH (negedge RSNeg) (12)) (SETUPHOLD D0 (posedge WCLK) (3) (0.5)) (SETUPHOLD REN1Neg (posedge RCLK) (3) (0.5)) (SETUP REN1Neg (posedge RSNeg) (9)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (5) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (14) ) ) )</TIMING></FMFTIME><FMFTIME>IDT72821L15PF<SOURCE>IDT data sheet December 1998</SOURCE>IDT72821L15TF<SOURCE>IDT data sheet December 1998</SOURCE><COMMENT>The Values listed are for VCC=4.5V to 5.5V, CL=30pF, Ta=0 to 70 Celsius</COMMENT><COMMENT>Typical values are derived</COMMENT><TIMING> (DELAY (ABSOLUTE (IOPATH RSNeg EFNeg (3:10:15) (3:10:15)) (IOPATH RCLK EFNeg (2:6:10) (2:6:10)) (IOPATH RCLK PAENeg (2:6:10) (2:6:10)) (IOPATH WCLK FFNeg (2:6:10) (2:6:10)) (IOPATH WCLK PAFNeg (2:6:10) (2:6:10)) (IOPATH RSNeg Q0 (3:10:15) (3:10:15) (3:10:15) (3:10:15) (3:10:15) (3:10:15)) (IOPATH RCLK Q0 (2:6:10) (2:6:10) (2:6:10) (2:6:10) (2:6:10) (2:6:10)) (IOPATH OENeg Q0 (3:6:8) (3:6:8) (3:6:8) (3:6:8) (3:6:8) (3:6:8)) )) (TIMINGCHECK (PERIOD (posedge RCLK) (15)) (PERIOD (posedge WCLK) (15)) (WIDTH (posedge RCLK) (6)) (WIDTH (negedge RCLK) (6)) (WIDTH (negedge RSNeg) (15)) (SETUPHOLD D0 (posedge WCLK) (4) (1)) (SETUPHOLD REN1Neg (posedge RCLK) (4) (1)) (SETUP REN1Neg (posedge RSNeg) (10)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (6) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (15) ) ) )</TIMING></FMFTIME><FMFTIME>IDT72821L25PF<SOURCE>IDT data sheet December 1998</SOURCE>IDT72821L25TF<SOURCE>IDT data sheet December 1998</SOURCE><COMMENT>The Values listed are for VCC=4.5V to 5.5V, CL=30pF, Ta=0 to 70 Celsius</COMMENT><COMMENT>Typical values are derived</COMMENT><TIMING> (DELAY (ABSOLUTE (IOPATH RSNeg EFNeg (4:18:25) (4:18:25)) (IOPATH RCLK EFNeg (2:10:15) (2:10:15)) (IOPATH RCLK PAENeg (2:10:15) (2:10:15)) (IOPATH WCLK FFNeg (2:10:15) (2:10:15)) (IOPATH WCLK PAFNeg (2:10:15) (2:10:15)) (IOPATH RSNeg Q0 (4:18:25) (4:18:25) (4:18:25) (4:18:25) (4:18:25) (4:18:25)) (IOPATH RCLK Q0 (2:10:15) (2:10:15) (2:10:15) (2:10:15) (2:10:15) (2:10:15)) (IOPATH OENeg Q0 (3:8:13) (3:8:13) (3:8:13) (3:8:13) (3:8:13) (3:8:13)) )) (TIMINGCHECK (PERIOD (posedge RCLK) (25)) (PERIOD (posedge WCLK) (25)) (WIDTH (posedge RCLK) (10)) (WIDTH (negedge RCLK) (10)) (WIDTH (negedge RSNeg) (15)) (SETUPHOLD D0 (posedge WCLK) (6) (1)) (SETUPHOLD REN1Neg (posedge RCLK) (6) (1)) (SETUP REN1Neg (posedge RSNeg) (15)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (10) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (18) ) ) )</TIMING></FMFTIME></BODY></FTML>⌨️ 快捷键说明
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