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Introduction to Microprocessors
Notes
Figure 7.3: Address Decoding
7.2.2 Interfacing the 2764 EPROM
This is a memory chip commonly used in industry to develop microprocessor-based products.
This is an 8k (8192 × 8) memory chip with 8 data lines and is housed in a 28-pin package as in
Figure 7.4.
Figure 7.4: 2764 EPROM Pin Configuration and Logical Symbol
Address Range and Memory Map
A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0000H
MSEL 0 ↓ ↓ ↓
0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 = FFFFH
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