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CY7C263-25QMB Datasheet(PDF) 4 Page - Cypress Semiconductor |
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CY7C263-25QMB Datasheet(HTML) 4 Page - Cypress Semiconductor |
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4 / 16 page  CY7C261 CY7C263/CY7C264 Document #: 38-04010 Rev. ** Page 4 of 16 AC Test Loads and Waveforms[4] Switching Characteristics Over the Operating Range [2,3,4] 7C261-20 7C263-20 7C264-20 7C261-25 7C263-25 7C264-25 7C261-35 7C263-35 7C264-35 7C261-45 7C263-45 7C264-45 7C261-55 7C263-55 7C264-55 Parameter Description Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit tAA Address to Output Valid 20 25 35 45 55 ns tHZCS1 Chip Select Inactive to High Z (7C263 and 7C264) 12 12 20 30 35 ns tHZCS2 Chip Select Inactive to High Z (7C261) 20 25 35 45 55 ns tACS1 Chip Select Active to Output Valid (7C263 and 7C264) 12 12 20 30 35 ns tACS2 Chip Select Active to Output Valid (7C261) 20 25 35 45 55 ns tPU Chip Select Active to Power-Up (7C261) 00000 ns tPD Chip Select Inactive to Power-Down (7C261) 20 25 35 45 55 ns R2 333 Ω (403 Ω MIL) 3.0V 5V OUTPUT R1 500 (658 Ω MIL) 30 pF INCLUDING JIG AND SCOPE GND 90% 10% 90% 10% ≤ 5ns ≤ 5 ns 5V OUTPUT 5pF INCLUDING JIG AND SCOPE (a) Normal Load (b) High Z Load OUTPUT RTH 200Ω (250Ω MIL) 5V OUTPUT 5V OUTPUT R1250 Ω 30pF INCLUDING JIG AND SCOPE 5pF INCLUDING JIG AND SCOPE (c) Normal Load (d) High Z Load OUTPUT 2.0V RTH 100Ω R1 250 Ω R1 500 Ω (658 Ω MIL) R2 333 Ω (403 Ω MIL) R2167 Ω R2167 Ω 2.0V(1.9VMIL) Test Load for -20 through -30 speeds Test Load for -35 through -55 speeds Equivalent to: THÉVENIN EQUIVALENT Equivalent to: THÉVENIN EQUIVALENT |
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