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AS27C256-15JXT Datasheet(PDF) 3 Page - Austin Semiconductor |
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AS27C256-15JXT Datasheet(HTML) 3 Page - Austin Semiconductor |
3 / 13 page UVEPROM UVEPROM UVEPROM UVEPROM UVEPROM AS27C256 AS27C256 Rev. 2.0 7/06 Austin Semiconductor, Inc. reserves the right to change products or specifications without notice. 3 Austin Semiconductor, Inc. OPERATION The seven modes of operation for the AS27C256 are listed in Table 1. The read mode requires a single 5V supply. All inputs are TTL level except for V PP during programming (12.75V for FLASHRITE Pulse), and (12V) on A9 for signature mode. TABLE 1. OPERATION MODES NOTES: * X can be V IL or VIH ** Die is AMD. User can program on benchtop programmer by selecting AM27C256 from the device type selection menu. READ OUTPUT DISABLE STANDBY PROGRAMMING VERIFY PROGRAM INHIBIT E\ VIL VIL VIH VIL VIH VIH G\ VIL VIH X VIH VIL X VPP X 1 X 1 X 1 VPP VPP VPP VCC VCC VCC VCC+/-.3V VCC VCC VCC A9 X X X X X X VID 2 VID 2 A0 X X X X X X VIL VIH MFG DEVICE 01h 10h 1For normal standby & read operation, VPP is Don't Care X. 2 V ID = 12V +/- .5V Data Out Data Out High-Z High-Z Data In High-Z VCC FUNCTION (PINS) SIGNATURE MODE MODE* CODE** DQ0-DQ7 VCC VIL VIL |
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