M27V800
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 patible with a 8 Mbit Mask ROM.
Figure 1. Logic Diagram
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
AI01851
September 1998
1/16
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 VSS...
