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AT49BV6416-70TU Datasheet(PDF) 2 Page - ATMEL Corporation |
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AT49BV6416-70TU Datasheet(HTML) 2 Page - ATMEL Corporation |
2 / 30 page 2 3451C–FLASH–2/05 AT49BV6416(T) The VPP pin provides data protection and faster programming times. When the V PP input is below 0.7V, the program and erase functions are inhibited. When V PP is at 1.65V or above, nor- mal program and erase operations can be performed. With V PP at 10.0V, the program (dual- word program command) operation is accelerated. A six-byte command (Enter Single Pulse Program Mode) to remove the requirement of entering the three-byte program sequence is offered to further improve programming time. After entering the six-byte code, only single pulses on the write control lines are required for writing into the device. This mode (Single Pulse Word Program) is exited by powering down the device, by tak- ing the RESET pin to GND or by a high-to-low transition on the V PP input. Erase, Erase Suspend/Resume, Program Suspend/Resume and Read Reset commands will not work while in this mode; if entered they will result in data being programmed into the device. It is not recom- mended that the six-byte code reside in the software of the final product but only exist in external programming code. 2. Pin Configurations 2.1 TSOP Top View (Type 1) Pin Name Pin Function I/O0 - I/O15 Data Inputs/Outputs A0 - A21 Addresses CE Chip Enable OE Output Enable WE Write Enable RESET Reset WP Write Protect VPP Write Protection and Power Supply for Accelerated Program Operations VCCQ Output Power Supply 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 A15 A14 A13 A12 A11 A10 A9 A8 A21 A20 WE RESET VPP WP A19 A18 A17 A7 A6 A5 A4 A3 A2 A1 A16 VCCQ GND I/O15 I/O7 I/O14 I/O6 I/O13 I/O5 I/O12 I/O4 VCC I/O11 I/O3 I/O10 I/O2 I/O9 I/O1 I/O8 I/O0 OE GND CE A0 |
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