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S29GL01GT11FAIyyx Fiches technique(PDF) 62 Page - Cypress Semiconductor |
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S29GL01GT11FAIyyx Fiches technique(HTML) 62 Page - Cypress Semiconductor |
62 / 105 page Document Number: 002-00247 Rev. *G Page 62 of 105 S29GL01GT, S29GL512T 9. Signal Protocols The following sections describe the host system interface signal behavior and timing for the 29GL-T family flash devices. 9.1 Interface States Table 9.1 describes the required value of each interface signal for each interface state. Legend: L = VIL H = VIH X = either VIL or VIH L/H = rising edge H/L = falling edge Valid = all bus signals have stable L or H level Modified = valid state different from a previous valid state Available = read data is internally stored with output driver controlled by OE# Notes: 1. Address are Amax:A0 in word mode; Amax:A-1 in byte mode. 2. WE# and OE# can not be at VIL at the same time. 3. Read with Output Disable is a read initiated with OE# High. 4. Automatic Sleep is a read/write operation where data has been driven on the bus for an extended period, without CE# going High and the device internal logic has gone into standby mode to conserve power. 5. If WP# = VIL, on the outermost sector remains protected. If WP# = VIH, the outermost sector is unprotected. WP# has an internal pull-up; when unconnected, WP# is at VIH. 6. VIL = VSS and VIH = VIO. Table 9.1 Interface States Interface State VCC VIO RESET# CE# OE# WE# BYTE# (Note 6) WP#/ ACC Amax-A0 (Note 1) DQ0-DQ7 DQ8-DQ15 BYTE# = VIH BYTE = VIL Power-Off with Hardware Data Protection < VLKO VCC XX X X L or H X X High-Z High-Z High-Z Power-On (Cold) Reset VCC min VIO min VCC XX X X L or H X X High-Z High-Z High-Z Hardware (Warm) Reset VCC min VIO min VCC LX X X L or H X X High-Z High-Z High-Z Interface Standby VCC min VIO min VCC HH X X L or H H X High-Z High-Z High-Z Automatic Sleep (Notes 2, 4) VCC min VIO min VCC HL X X L or H H Valid Output Available Output Available DQ8-DQ14 = High-Z, DQ15 = A-1 Read with Output Disable (Note 3) VCC min VIO min VCC HL H H L or H X Valid High-Z High-Z High-Z Random Read VCC min VIO min H L L H X Valid Output Valid Output Valid DQ8-DQ14 = High-Z, DQ15 = A-1 Page Read VCC min VIO min VCC HL L H L or H X Amax-A4 Valid A3-A0 (or A3-A-1) Modified Output Valid Output Valid DQ8-DQ14 = High-Z, DQ15 = A-1 Write VCC min VIO min VCC HL H L L or H (Note 5) Valid Input Valid Input Valid DQ8-DQ14 = High-Z, DQ15 = A-1 |
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