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PI74FCT823T Datasheet(PDF) 5 Page - Pericom Semiconductor Corporation |
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PI74FCT823T Datasheet(HTML) 5 Page - Pericom Semiconductor Corporation |
5 / 7 page 5 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT821T/823T/825T (25 Ω Ω Ω Ω Ω Series) P174FCT2821T/2823T BUS INTERFACE REGISTERS PS2023A 03/11/96 PI74FCT821/2821T Switching Characteristics over Operating Range 821AT/2821AT 821BT/2821BT 821CT/2821CT Com. Com. Com. Parameters Description Conditions(1) Min Max Min Max Min Max Unit tPLH Propagation Delay CL = 50 pF 1.5 10.0 1.5 7.5 1.5 6.0 ns tPHL CP to YN RL = 500 Ω (OE = LOW) CL = 300 pF(3) 1.5 20.0 1.5 15.0 1.5 12.5 ns RL = 500 Ω tSU Setup Time HIGH or CL = 50 pF 4.0 — 3.0 — 3.0 — ns LOW, DN to CP RL = 500 Ω tH Hold Time HIGH or 2.0 — 1.5 — 1.5 — ns LOW, DN to CP tSU Setup Time HIGH or 4.0 — 3.0 — 3.0 — ns LOW, EN to CP tH Hold Time HIGH or 2.0 — 0 — 0 — ns LOW, EN to CP tPHL Propagation Delay, 1.5 14.0 1.5 9.0 1.5 8.0 ns CLR to YN tREM Recovery Time,(3) 6.0 — 6.0 — 6.0 — ns CLR to CP tW Clock Pulse Width(3) 7.0 — 5.0 — 6.0 — ns HIGH or LOW tW CLR Pulse Width(3) 6.0 — 6.0 — 6.0 — ns LOW tPZH Output Enable Time CL = 50 pF 1.5 11.5 1.5 8.0 1.5 7.0 ns tPZL OE to YN RL = 500 Ω CL = 300 pF(3) 1.5 23.0 1.5 15.0 1.5 12.5 ns RL = 500 Ω tPHZ Output Disable Time(3) CL = 50 pF 1.5 7.0 1.5 6.5 1.5 6.2 ns tPLZ OE to YN RL = 500 Ω CL = 300 pF(3) 1.5 8.0 1.5 7.5 1.5 6.5 ns RL = 500 Ω Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not production tested. |
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