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Intel
Intel

27128A Datasheet Preview

27128A Datasheet

128K Production and UV EPROM

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27128A pdf
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.
Vcco<>--"
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



Intel
Intel

27128A Datasheet Preview

27128A Datasheet

128K Production and UV EPROM

No Preview Available !

27128A pdf
intef
27128A
Pin Names
Ao-A13
cr
°"
Oo-01
i5GM
NC
ADDRESSES
CHIP ENABLE
OUTPUT ENABLE
OUTPUTS
PROGRAM
NO INTERNAL CONNECT
27512
27C512
A,s
A,2
A1
As
As
A,.
A3
A2
A,
Ao
Do
o,
02
GND
27256
27C256
Vpp
A,2
A1
As
As
A,.
A3
A2
A,
Ao
Do
o,
02
GND
2764A
27C64
87C64
Vpp
A,2
A1
As
As
A,.
A3
A2
A,
Ao
Do
o,
02
GND
2732A
A1
As
As
A,.
A3
A2
A,
Ao
Do
o,
02
GND
2716
A1
As
As
A,.
A3
A2
A,
Ao
Do
o,
02
GND
Vpp
A12
A1
A6
A5
A,
A3
A7
A1
Ao
Oo
o,
02
GND
27128A
Vee
PGM
Au
As
Ag
A11
fil
A10
EE
07
06
05
o,
03
2716
2732A
2764A
27C64
87C64
27256
27C256
27512
27C512
Vee
As
Ag
Vpp
OE
A10
CE
07
Os
Os
04
03
Vee
As
Ag
A11
OE!Vpp
A10
CE
07
Os
05
04
03
Vee
i5GM
N.C.
As
Ag
A11
OE
A10
CE
ALE/CE
Os
05
04
03
Vee
A,4
A,3
As
Ag
A11
OE
A10
CE
ALE/OE
07
Os
05
04
°"
Vee
A,4
A,3
As
Ag
A11
OE!Vpp
A10
cr
07
Os
Os
04
03
230849-2
NOTE: Intel "Universal Site"-Compatible EPROM Pin Configurations are Shown in the Blocks Adjacent to the 27128A Pins
Figure 2. Cerdlp(D) DIP Pin Configuration
5-29


Part Number 27128A
Description 128K Production and UV EPROM
Maker Intel
Total Page 10 Pages
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