27128A
128K (16K x 8) PRODUCTION AND UV ERASABLE PROMs
• Fast 150 nsec Access Time
- HMOS* 11-E Technology
• Low Power
- 100 mA Maximum Active
- 40 mA Maximum Standby
• intellgent Identifier™ Mode
- Automated Programming Operations
• ± 10% Vee Tolerance Available
• Available in 28-Pin Cerdip Package
(See Packaging Spec, Order #231369)
The Intel 27128A is a 5V only, 131, 072-bit ultraviolet erasable and electrically programmable read-only memo
ry (EPROM). The 27128A is fabricated with Intel's HMOS* 11-E technology which significantly reduces die size
and greatly improves the device's performance, reliability and manufacturability.
The 27128A is currently available in the CERDIP package providing flexibility in prototyping and R&D environ
ments where reprogrammability is required.
The 27128A is available in fast access times including 15 0 ns ( 27128A-1).This ensures compatibility with high
performance microprocessors, such as Intel's 8 MHz 8 0 186 allowing full speed operation without the addition
of WAIT states. The 27128A is also directly compatible with the 12 MHz 8 0 5 1 family.
*HMOS is a patented process of Intel Corporation.
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GND O<>---<.�.
Vpp�
DATA OUTPUTS
Oo-01
OUTPUT ENABLE
CHIP E NABLE
AND
PR OG LOGIC
OUTPUT BUF FERS
Ao-A13
ADDR ESS
INPUTS
v
DECODER
V-GATING
•
x.
DECODER
•
131,072-BIT
• CELL MATRIX
Figure 1. Block Diagram
230849-1
5-28
October 1990
Order Number: 230849-009
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