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IDT54FCT640CL Datasheet(PDF) 5 Page - Integrated Device Technology |
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IDT54FCT640CL Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 7 page 7.9 5 IDT54/74FCT245/A/C, IDT54/74FCT640/A/C, IDT54/74FCT645/A/C FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS MILITARY AND COMMERCIAL TEMPERATURE RANGES tPLH Propagation Delay CL = 50 pF 1.5 7.0 1.5 7.5 1.5 4.6 1.5 4.9 1.5 4.1 1.5 4.5 ns tPHL A to B, B to A RL = 500 Ω tPZH Output Enable Time 1.5 9.5 1.5 10.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL OE to A or B tPHZ Output Disable Time 1.5 7.5 1.5 10.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ OE to A or B tPZH Output EnableTime 1.5 9.5 1.5 10.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL T/ R to A or B(3) tPHZ Output Disable Time 1.5 7.5 1.5 10.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ T/ R to A or B(3) 2534 tbl 07 SWITCHING CHARACTERISTICS OVER OPERATING RANGE FOR FCT245/A/C 54/74FCT245 54/74FCT245A 54/74FCT245C Com’l. Mil. Com’l. Mil. Com’l. Mil. Symbol Parameter Condition (1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit tPLH Propagation Delay CL = 50 pF 2.0 7.0 2.0 8.0 1.5 5.0 1.5 5.3 1.5 4.4 1.5 4.7 ns tPHL A to B, B to A RL = 500 Ω tPZH Output Enable Time 2.0 13.0 2.0 16.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL OE to A or B tPHZ Output Disable Time 2.0 10.0 2.0 12.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ OE to A or B tPZH Output Enable Time 2.0 13.0 2.0 16.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL T/ R to A or B(3) tPHZ Output Disable Time 2.0 10.0 2.0 12.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ T/ R to A or B(3) 2534 tbl 08 SWITCHING CHARACTERISTICS OVER OPERATING RANGE FOR FCT640/A/C 54/74FCT640 54/74FCT640A 54/74FCT640C Com’l. Mil. Com’l. Mil. Com’l. Mil. Symbol Parameter Condition (1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit SWITCHING CHARACTERISTICS OVER OPERATING RANGE FOR FCT645/A/C 54/74FCT645 54/74FCT645A 54/74FCT645C Com’l. Mil. Com’l. Mil. Com’l. Mil. Symbol Parameter Condition (1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit tPLH Propagation Delay CL = 50 pF 1.5 9.5 1.5 11.0 1.5 4.6 1.5 4.9 1.5 4.1 1.5 4.5 ns tPHL A to B, B to A RL = 500 Ω tPZH Output Enable Time 1.5 11.0 1.5 12.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL OE to A or B tPHZ Output Disable Time 1.5 12.0 1.5 13.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ OE to A or B tPZH Output Enable Time 1.5 11.0 1.5 12.0 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.2 ns tPZL T/ R to A or B(3) tPHZ Output Disable Time 1.5 12.0 1.5 13.0 1.5 5.0 1.5 6.0 1.5 4.8 1.5 5.2 ns tPLZ T/ R to A or B(3) NOTES: 2534 tbl 09 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not tested. |
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