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M27C400110F1L
M27C4001 4 Mbit (512Kb x 8) UV EPROM and OTP EPROM s 5V ± 10% SUPPLY VOLTAGE in READ OPERATION s FAST ACCESS TIME: 35ns s LOW POWER CONSUMPTION: 32 32 – Active Current 30mA at 5MHz – Standby Current 100µA s PROGRAMMING VOLTAGE: 12.75V ± 0.25V s 1 PDIP32 (B) PROGRAMMING TIME: 100µs/byte (typical) s 1 FDIP32W (F) ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: 41h LCCC32W (L) DESCRIPTION The M27C4001 is a 4 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large programs and is organised as 524,288 by 8 bits. The FDIP32W (window ceramic frit-seal package) and LCCC32W (leadless chip carrier package) have a transparent lid which allow 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 M27C4001 is offered in PDIP32, PLCC32 and TSOP32 (8 x 20mm) packages. TSOP32 (N) 8 x 20 mm PLCC32 (C) Figure 1. Logic Diagram VCC VPP 19 Table 1. Signal Names A0-A18 Address Inputs Q0-Q7 Output Enable VPP Program Supply VCC Supply Voltage VSS Q0-Q7 Chip Enable G A0-A18 Data Outputs E 8 Ground E M27C4001 G July 1998 VSS AI00721B 1/16
STM
STMicroelectronics NV
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