M27V800

M27V800 8 Mbit (1Mb x8 or 512Kb x16) Low Voltage UV EPROM and OTP EPROM s LOW VOLTAGE READ OPERATION: 3V to 3.6V FAST ACCESS TIME: 100ns BYTE-WIDE or WORD-WIDE CONFIGURABLE 8 Mbit MASK ROM REPLACEMENT 1 1 42 42 s s s s LOW POWER CONSUMPTION – Active Current 30mA at 8MHz – Standby Current 20µA FDIP42W (F) PDIP42 (B) s s s PROGRAMMING VOLTAGE: 12.5V ± 0.25V PROGRAMMING TIME: 100µs/byte (typical) ELECTRONIC SIGNATURE – Manufacturer Code: 0020h – Device Code: 00B2h 1 44 SO44 (M) PLCC44 (K) DESCRIPTION The M27V800 is a low voltage 8 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 data or program storage. It is organised as either 1 Mbit words of 8 bit or 512 Kbit words of 16 bit. The pinout is compatible with a 8 Mbit Mask ROM. Figure 1. Logic Diagram VCC 19 Q15A–1 15 Q0-Q14 M27V800 Table 1. Signal Names A0-A18 Q0-Q7 Q8-Q14 Q15A–1 E G BYTEVPP VCC VSS Address Inputs Data Outputs Data Outputs Data Output / Address Input Chip Enable Output Enable Byte Mode / Program Supply Supply Voltage Ground A0-A18 E G BYTEVPP VSS AI01851 September 1998 1/16 M27V800 Figure 2A. DIP Pin Connections Figure 2B. SO Pin Connections A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 E VSS G Q0 Q8 Q1 Q9 Q2 Q10 Q3 Q11 1 42 2 41 3 40 4 39 5 38 6 37 7 36 8 35 9 34 10 33 M27V800 11 32 12 31 13 30 14 29 15 28 16 27 17 26 18 25 19 24 20 23 21 22 AI01852 NC A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTEVPP...