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HM-6516 Datasheet(PDF) 5 Page - Intersil Corporation |
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HM-6516 Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 6 page 6-5 Timing Waveforms The address information is latched in the on-chip registers on the falling edge of E (T = 0), minimum address setup and hold time requirements must be met. After the required hold time, the addresses may change state without affecting device operation. During time (T = 1), the outputs become enabled but data is not valid until time (T = 2), W must remain high throughout the read cycle. After the data has been read, E may return high (T = 3). This will force the out- put buffers into a high impedance mode at time (T = 4). G is used to disable the output buffers when in a logical “1” state (T = -1, 0, 3, 4, 5). After (T = 4) time, the memory is ready for the next cycle. Timing Waveforms (Continued) HIGH NEXT (11) TAVEL (12) TELAX ADD (5) TEHQZ VALID DATA OUT (5) TEHQZ (8) TGHQZ (7) TGLQX A E W DQ G TIME REFERENCE -1 01 2 3 4 5 TAVQV (2) (11) TAVEL (18) TELEL (9) TELEH (10) TEHEL (10) TEHEL TELQV (1) TELQX (3) TGLQV (6) FIGURE 1. READ CYCLE VALID ADD (11) TAVEL (12) TELAX (11) TAVEL (17) TWHDX HIGH VALID DATA IN A E W DQ G TIME REFERENCE -1 01 2 3 4 5 VALID ADD NEXT ADD (18) TELEL (10) TEHEL (10) TEHEL (9) TELEH (13) TWLWH (14) TWLEH (16) TDVWH FIGURE 2. WRITE CYCLE (15) TELWH HM-6516 |
Similar Part No. - HM-6516 |
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Similar Description - HM-6516 |
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