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HT27C4096 Datasheet

  • HT27C4096

  • CMOS 256K?16-Bit OTP EPROM ??(5V)

  • 111.47KB

  • 13頁

  • ETC

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HT27C4096
CMOS 256K麓16-Bit OTP EPROM
Features
Operating voltage: +5.0V
Programming voltage
-
V
PP
=12.5V鹵0.2V
-
V
CC
=6.0V鹵0.2V
256K麓16-bits organization
Fast read access time: 70ns
Fast programming algorithm
Programming time 75ms typ.
Two line controls (OE and CE)
Standard product identification code
Commercial temperature range (0擄C to +70擄C)
40-pin plastic DIP, 44-pin PLCC package
High-reliability CMOS technology
Latch-up immunity to 100mA from -1.0V to V
CC
+1.0V
CMOS and TTL compatible I/O
Low power consumption
-
Active: 30mA max.
-
Standby: 1mA typ.
General Description
The HT27C4096 chip family is a low-power, 4096K
(4,194,304) bits, +5V electrically one-time programma-
ble (OTP) read-only memories (EPROM). Organized
into 256K words with 16 bits per word, it features a fast
single address location programming, typically at 75ms
per word. Any word can be accessed in less than 70ns
with respect to spec. This eliminates the need for WAIT
states in high-performance microprocessor systems.
The HT27C4096 has separate Output Enable (OE) and
Chip Enable (CE) controls which eliminate bus conten-
tion issues.
Block Diagram
R o w
A d d re s s
C o lu m n
A d d re s s
X -D e c o d e r
C e ll A r r a y
V C C
Y -D e c o d e r
Y - G a tin g
V S S
V P P
C E
O E
C E & O E &
T E S T
C o n tr o l L o g ic
S A C K T
&
O u tp u t B u ffe r
D Q 0 ~ D Q 1 5
Rev. 1.10
1
November 21, 2002

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