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HT93LC56-8SOP-A Datasheet

  • HT93LC56-8SOP-A

  • EEPROM

  • 490.32KB

  • 7頁(yè)

  • ETC

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HT93LC56
CMOS 2K 3-Wire Serial EEPROM
Features
路
Operating voltage V
CC
-
Read: 2.0V~5.5V
-
Write: 2.4V~5.5V
路
Low power consumption
-
Operating: 5mA max.
-
Standby: 10mA max.
路
User selectable internal organization
-
2K(HT93LC56): 256麓8 or 128麓16
路
3-wire Serial Interface
路
Write cycle time: 5ms max.
路
Automatic erase-before-write operation
路
Word/chip erase and write operation
路
Write operation with built-in timer
路
Software controlled write protection
路
10-year data retention after 100K rewrite cycles
路
10
6
rewrite cycles per word
路
Commercial temperature range (0擄C to +70擄C)
路
8-pin DIP/SOP package
General Description
The HT93LC56 is a 2K-bit low voltage nonvolatile, serial
electrically erasable programmable read only memory de-
vice using the CMOS floating gate process. Its 2048 bits of
memory are organized into 128 words of 16 bits each
when the ORG pin is connected to VCC or organized into
256 words of 8 bits each when it is tied to VSS. The device
is optimized for use in many industrial and commercial ap-
plications where low power and low voltage operation are
essential. By popular microcontroller, the versatile serial
interface including chip select (CS), serial clock (SK), data
input (DI) and data output (DO) can be easily controlled.
Block Diagram
C S
S K
O R G
C o n tro l
L o g ic
a n d
C lo c k
G e n e ra to r
A d d re s s
R e g is te r
V C C
A d d re s s
D e c o d e r
V S S
D I
D a ta
R e g is te r
M e m o r y C e ll
A rra y
2 K : (2 5 6
麓
8 o r 1 2 8
麓
1 6 )
O u tp u t
B u ffe r
D O
Pin Assignment
C S
1
8
2
7
3
6
4
5
S K
D I
D O
V C C
N C
O R G
V S S
N C
1
8
2
7
3
6
4
5
V C C
C S
S K
O R G
V S S
D O
D I
C S
1
8
2
7
3
6
4
5
S K
D I
D O
V C C
N C
N C
V S S
H T 9 3 L C 5 6
8 D IP -A /S O P -A
H T 9 3 L C 5 6
8 S O P -B
H T 9 3 L C 5 6
8 S O P -C
Rev. 1.20
1
October 26, 2001

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