📄 idt72261.ftm
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<!DOCTYPE FTML SYSTEM "ftml.dtd"><FTML><HEAD><TITLE>FMF Timing for IDT72261 Parts</TITLE><REVISION.HISTORY>version: | author: | mod date: | changes made: V1.0 R. Munden 99 MAY 29 Initial release</REVISION.HISTORY></HEAD><BODY><TIMESCALE>1ns</TIMESCALE><MODEL>IDT72261<FMFTIME>IDT72261LA10PF<SOURCE>IDT data sheet November 1998</SOURCE>IDT72261LA10TF<SOURCE>IDT data sheet November 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 RCLK Q0 (2:5:8) (2:5:8)) (IOPATH RCLK EFORNeg (2:5:8) (2:5:8)) (IOPATH WCLK FFIRNeg (2:5:8) (2:5:8)) (IOPATH WCLK PAFNeg (2:5:8) (2:5:8)) (IOPATH RCLK PAENeg (2:5:8) (2:5:8)) (IOPATH RCLK HFNeg (5:12:16) (5:12:16)) (IOPATH MRSNeg EFORNeg (2:8:10) (2:8:10)) (IOPATH MRSNeg Q0 (2:8:10) (2:8:10)) (IOPATH OENeg Q0 (0:0:0) (0:0:0) (2:4:6) (0:4:6) (2:4:6) (0:4:6)) )) (TIMINGCHECK ( PERIOD (posedge WCLK) (10)) ( PERIOD (posedge RCLK) (10)) ( WIDTH (posedge WCLK) (4.5)) ( WIDTH (posedge RCLK) (4.5)) ( WIDTH (negedge WCLK) (4.5)) ( WIDTH (negedge RCLK) (4.5)) ( WIDTH (negedge MRSNeg) (10)) ( WIDTH (negedge PRSNeg) (10)) ( SETUP FWFTSI (posedge WCLK) (4) ) ( SETUPHOLD RENNeg (posedge RCLK) (3) (0) ) ( SETUPHOLD RTNeg (posedge RCLK) (3) (0) ) ( SETUPHOLD SENNeg (posedge WCLK) (3) (0) ) ( SETUPHOLD LDNeg (posedge WCLK) (3) (0) ) ( SETUPHOLD LDNeg (posedge RCLK) (3) (0) ) ( SETUPHOLD D0 (posedge WCLK) (3) (0) ) ( SETUPHOLD RENNeg (posedge MRSNeg) (10) (10) ) ( SETUPHOLD WENNeg (posedge MRSNeg) (10) (10) ) ( SETUPHOLD LDNeg (posedge MRSNeg) (10) (10) ) ( SETUP RTNeg (posedge MRSNeg) (10) ) ( SETUP SENNeg (posedge MRSNeg) (10) ) ( SETUP FWFTSI (negedge MRSNeg) (0) ) ( HOLD FWFTSI (posedge MRSNeg) (10) ) ( SETUPHOLD RENNeg (posedge PRSNeg) (10) (10) ) ( SETUPHOLD WENNeg (posedge PRSNeg) (10) (10) ) ( SETUP RTNeg (posedge PRSNeg) (10) ) ( SETUP SENNeg (posedge PRSNeg) (10) ) (SETUP WENNeg (posedge RCLK) (3)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (5) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (12) ) ) )</TIMING></FMFTIME><FMFTIME>IDT72261LA15PF<SOURCE>IDT data sheet November 1998</SOURCE>IDT72261LA15TF<SOURCE>IDT data sheet November 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 RCLK Q0 (2:6:10) (2:6:10)) (IOPATH RCLK EFORNeg (2:6:10) (2:6:10)) (IOPATH WCLK FFIRNeg (2:6:10) (2:6:10)) (IOPATH WCLK PAFNeg (2:6:10) (2:6:10)) (IOPATH RCLK PAENeg (2:6:10) (2:6:10)) (IOPATH RCLK HFNeg (10:16:20) (10:16:20)) (IOPATH MRSNeg EFORNeg (7:11:15) (7:11:15)) (IOPATH MRSNeg Q0 (7:11:15) (7:11:15)) (IOPATH OENeg Q0 (0:0:0) (0:0:0) (3:5:8) (0:5:8) (3:5:8) (0:5:8)) )) (TIMINGCHECK ( PERIOD (posedge WCLK) (15)) ( PERIOD (posedge RCLK) (15)) ( WIDTH (posedge WCLK) (6)) ( WIDTH (posedge RCLK) (6)) ( WIDTH (negedge WCLK) (6)) ( WIDTH (negedge RCLK) (6)) ( WIDTH (negedge MRSNeg) (15)) ( WIDTH (negedge PRSNeg) (15)) ( SETUP FWFTSI (posedge WCLK) (4) ) ( SETUPHOLD RENNeg (posedge RCLK) (4) (1) ) ( SETUPHOLD RTNeg (posedge RCLK) (4) (1) ) ( SETUPHOLD SENNeg (posedge WCLK) (4) (1) ) ( SETUPHOLD LDNeg (posedge WCLK) (4) (1) ) ( SETUPHOLD LDNeg (posedge RCLK) (4) (1) ) ( SETUPHOLD D0 (posedge WCLK) (4) (1) ) ( SETUPHOLD RENNeg (posedge MRSNeg) (15) (15) ) ( SETUPHOLD WENNeg (posedge MRSNeg) (15) (15) ) ( SETUPHOLD LDNeg (posedge MRSNeg) (15) (15) ) ( SETUP RTNeg (posedge MRSNeg) (15) ) ( SETUP SENNeg (posedge MRSNeg) (15) ) ( SETUP FWFTSI (negedge MRSNeg) (0) ) ( HOLD FWFTSI (posedge MRSNeg) (15) ) ( SETUPHOLD RENNeg (posedge PRSNeg) (15) (15) ) ( SETUPHOLD WENNeg (posedge PRSNeg) (15) (15) ) ( SETUP RTNeg (posedge PRSNeg) (15) ) ( SETUP SENNeg (posedge PRSNeg) (15) ) (SETUP WENNeg (posedge RCLK) (4)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (6) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (15) ) ) )</TIMING></FMFTIME><FMFTIME>IDT72261LA20PF<SOURCE>IDT data sheet November 1998</SOURCE>IDT72261LA20TF<SOURCE>IDT data sheet November 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 RCLK Q0 (2:7:12) (2:7:12)) (IOPATH RCLK EFORNeg (4:9:12) (4:9:12)) (IOPATH WCLK FFIRNeg (4:9:12) (4:9:12)) (IOPATH WCLK PAFNeg (4:9:12) (4:9:12)) (IOPATH RCLK PAENeg (4:9:12) (4:9:12)) (IOPATH RCLK HFNeg (11:19:22) (11:19:22)) (IOPATH MRSNeg EFORNeg (10:15:20) (10:15:20)) (IOPATH MRSNeg Q0 (10:15:20) (10:15:20)) (IOPATH OENeg Q0 (0:0:0) (0:0:0) (3:6:10) (0:6:10) (3:6:10) (0:6:10)) )) (TIMINGCHECK ( PERIOD (posedge WCLK) (20)) ( PERIOD (posedge RCLK) (20)) ( WIDTH (posedge WCLK) (8)) ( WIDTH (posedge RCLK) (8)) ( WIDTH (negedge WCLK) (8)) ( WIDTH (negedge RCLK) (8)) ( WIDTH (negedge MRSNeg) (20)) ( WIDTH (negedge PRSNeg) (20)) ( SETUP FWFTSI (posedge WCLK) (5) ) ( SETUPHOLD RENNeg (posedge RCLK) (5) (1) ) ( SETUPHOLD RTNeg (posedge RCLK) (5) (1) ) ( SETUPHOLD SENNeg (posedge WCLK) (5) (1) ) ( SETUPHOLD LDNeg (posedge WCLK) (5) (1) ) ( SETUPHOLD LDNeg (posedge RCLK) (5) (1) ) ( SETUPHOLD D0 (posedge WCLK) (5) (1) ) ( SETUPHOLD RENNeg (posedge MRSNeg) (20) (20) ) ( SETUPHOLD WENNeg (posedge MRSNeg) (20) (20) ) ( SETUPHOLD LDNeg (posedge MRSNeg) (20) (20) ) ( SETUP RTNeg (posedge MRSNeg) (20) ) ( SETUP SENNeg (posedge MRSNeg) (20) ) ( SETUP FWFTSI (negedge MRSNeg) (0) ) ( HOLD FWFTSI (posedge MRSNeg) (20) ) ( SETUPHOLD RENNeg (posedge PRSNeg) (20) (20) ) ( SETUPHOLD WENNeg (posedge PRSNeg) (20) (20) ) ( SETUP RTNeg (posedge PRSNeg) (20) ) ( SETUP SENNeg (posedge PRSNeg) (20) ) (SETUP WENNeg (posedge RCLK) (5)) )) (CELL (CELLTYPE "VITALbuf") (INSTANCE %LABEL%/SKEW1) (DELAY (ABSOLUTE ( DEVICE (10) ) ) ) ) (CELL (CELLTYPE "VITALbuf" ) (INSTANCE %LABEL%/SKEW2) (DELAY (ABSOLUTE ( DEVICE (20) ) ) )</TIMING></FMFTIME></BODY></FTML>⌨️ 快捷键说明
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