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參數(shù)資料
| 型號(hào)： | W27LE520 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 104K |
| 代理商： | W27LE520 |
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Advance Information W27LE520
64K
×
8 ELECTRICALLY ERASABLE EPROM
GENERAL DESCRIPTION
The W27LE520 is a high speed, low power Electrically Erasable and Programmable Read Only
Memory organized as 65,536
×
8 bits. It includes latches for the lower 8 address lines to multiplex
with the 8 data lines. To cooperate with the MCU, this device could save the external TTL
component, also cost and space. It requires only one supply in the range of 3.0V to 3.6V or 4.5V to
5.5V in normal read mode. The W27LE520 provides an electrical chip erase function. It will be a
great convenient when you need to change/update the contents in the device.
Publication Release Date: 4/26/2000
- 1 -
Revision A1
FEATURES
High speed access time: 70/90 nS (max.)
Read operating current: 8 mA/20 mA (max.)
Erase/Programming operating current
30 mA (max.)
Standby current: 20
μ
A /100
μ
A (max.)
Unregulated battery power supply range,
3.0V to 3.6V or 4.5V to 5.5V
+13V erase and programming voltage
High Reliability CMOS Technology
- 2K V ESD Protection
- 200 mA Latchup Immunity
Fully static operation
All inputs and outputs directly LVTTL/CMOS
compatible
Three-state outputs
Available p
ackages: 20-pin TSSOP and 20-pin
SOP
BLOCK DIAGRAM
PIN CONFIGURATIONS
1
2
3
4
5
6
7
8
18
19
20
13
14
15
16
17
11
12
9
10
AD2
AD0
AD7
GND
AD6
AD4
AD1
AD3
AD5
A9
A11
A13
A15
OE/VPP
ALE
V
DD
A14
A12
TSSOP
Top View
A10
A8
18
19
20
1
2
3
4
5
6
7
8
13
14
15
17
11
12
9
10
AD5
AD7
AD0
AD2
A10
A8
AD1
AD3
ALE
A14
A12
GND
AD6
AD4
A11
A9
A13
A15
SOP
Top View
OE/VPP
VDD
16
ALE
OE / V
CONTROL
GND
V
DD
PP
AD7 - AD0
OUTPUT
BUFFER
DECODER
L
A
T
C
H
E
S
A15 - A8
MEMORY
ARRAY
PIN DESCRIPTION
SYMBOL
AD0
AD7
A8
A15
ALE
OE/V
PP
DESCRIPTION
Address/Data Inputs/Outputs
Address Inputs
Address Latch Enable
Output Enable, Program/Erase
Supply Voltage
Power Supply
Ground
V
DD
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W27LE520S-70 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27LE520S-90 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27LE520W-70 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:64K X 8 ELECTRICALLY ERASABLE EPROM |
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