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Part Number: A82DL16x4U
Description: The A82DL16x2T(U) family consists of 16 megabit, 3.0 voltonly flash memory devices, organized as 1,048...
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A82DL16x4U
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DataSheet
General Description
A82DL16x4U General Description
The A82DL16x2T(U) family consists of 16 megabit, 3.0 voltonly flash memory devices, organized as 1,048,576 words of 16 bits each or 2,097,152 bytes of 8 bits each. Word mode data appears on I/O0I/O15; byte mode data appears on I/O0I/O7. The device is designed to be programmed in-system with the standard 3.0 volt VCC supply, and can also be programmed in standard EPROM programmers.The device is available with an access time of 70ns. The devices are offered in 69-ball Fine-pitch BGA. Standard control pins-chip enable (CE_F ), write enable (WE ), and output enable ( OE )-control normal read and write operations, and avoid bus contention issues.
The device requires only a single 3.0 volt power supply for both read and write functions. Internally generated and regulated voltages are provided for the program and erase operations.
A82DL16x4U Maximum Ratings
Storage Temperature Plastic Packages. . . -55°C to +125°C
Ambient Temperature,. . . . . . . . . . . . . . . . 65°C to + 125°C
Voltage with Respect to Ground (Note 1)
VCC_F/VCC_S . . . .. . . . . . . . . . ... . . . .. . . . -0.5V to +4.0V
A9, OE & RESET (Note 2) . . . . . . . . . . . . . . -0.5V to +12.5V
WP /ACC . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to +10.5V
All other pins (Note 1) . . . . . . -0.5V to VCC_F/VCC_S + 0.5V
Output Short Circuit Current (Note 3) . . . . . . . .. . 200mA
Notes:
1. Minimum DC voltage on input or I/O pins is -0.5V. During voltage transitions, input or I/O pins may undershoot VSS
to -2.0V for periods of up to 20ns. Maximum DC voltage on input and I/O pins is VCC_F/VCC_F +0.5V. See Figure 7. During voltage transitions, input or I/O pins may overshoot to VCC_F/VCC_S +2.0V for periods up to 20ns. See Figure 8.
2. Minimum DC input voltage on A9, OE , RESET and WP /ACC is -0.5V. During voltage transitions, A9,OE ,WP /ACC and RESET may overshoot VSS to -2.0V for periods of up to 20ns. See Figure 7. Maximum DC input voltage on A9 is +12.5V which may overshoot to 14.0V for periods up to 20ns. Maximum DC input voltage on WP /ACC is +9.5V which may overshoot to +12.0V for period up to 20ns.
3. No more than one output is shorted to ground at a time.Duration of the short circuit should not be greater than one second.
A82DL16x4U Features
The device offers complete compatibility with the JEDEC single-power-supply Flash command set standard.Commands are written to the command register using standard microprocessor write timings. Reading data out of the device is similar to reading from other Flash or EPROM devices.
The host system can detect whether a program or erase operation is complete by using the device status bits:RY/BY pin, I/O7 (Data Polling) and I/O6/I/O2 (toggle bits).After a program or erase cycle has been completed, the device automatically returns to reading array data.
The sector erase architecture allows memory sectors to be erased and reprogrammed without affecting the data contents of other sectors. The device is fully erased when shipped from the factory.
Hardware data protection measures include a low VCC detector that automatically inhibits write operations during power transitions. The hardware sector protection feature disables both program and erase operations in any combination of the sectors of memory. This can be achieved in-system or via programming equipment.
The device offers two power-saving features. When addresses have been stable for a specified amount of time,the device enters the automatic sleep mode. The system can also place the device into the standby mode. Power consumption is greatly reduced in both modes.
A8205SLH
PDF/DataSheet Download
- Datasheet: A8205SLH
- File Size: 125284 KB
- Manufacturer: ALLEGRO [Allegro MicroSystems]
- Click here to Download
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