The M27C801 is an 8 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for applications where fast turn-around and pattern experimentation are important requirements and is organized as 1,048,576 by 8 bits.
The FDIP32W (window ceramic frit-seal package) has transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern.A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C801 is offered in PDIP32, PLCC32 and TSOP32 (8 x 20 mm) packages.
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5V ± 10% SUPPLY VOLTAGE in READ OPERATIONACCESS TIME: 45nsLOW POWER CONSUMPTION: Active Current 35mA at 5MHz Standby Current 100APROGRAMMING VOLTAGE: 12.75V ± 0.25VPROGRAMMING TIME: 50s/wordELECTRONIC SIGNATURE Manufacturer Code: 20h Device Code: 42h
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| Symbol |
Parameter |
Value |
Unit |
| TA |
Ambient Operating Temperature (2) |
40 to 125 |
°C |
| TBIAS |
Temperature Under Bias |
50 to 125 |
°C |
| TSTG |
Storage Temperature |
65 to 150 |
°C |
| VIO(2) |
Input or Output Voltage (except A9) |
2 to 7 |
V |
| VCC |
Supply Voltage |
2 to 7 |
V |
| VA9(2) |
A9 Voltage |
2 to 13.5 |
V |
| VPP |
Program Supply Voltage |
2 to 14 |
V |
1. Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents.
2. Minimum DC voltage on Input or Output is 0.5V with possible undershoot to 2.0V for a period less than 20ns. Maximum DC voltage on Output is VCC +0.5V with possible overshoot to VCC +2V for a period less than 20ns.
3. Depends on range.
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Required Field 
