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參數(shù)資料
| 型號(hào)： | W27LE520S-90 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類(lèi)： | PROM |
| 英文描述： | 64K X 8 EEPROM 3V, 90 ns, PDSO20 |
| 封裝： | 0.300 INCH, SOP-20 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 164K |
| 代理商： | W27LE520S-90 |
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Preliminary W27LE520
64K
× 8 ELECTRICALLY ERASABLE EPROM
Publication Release Date: June 2000
- 1 -
Revision A1
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.
FEATURES
High speed access time: 70/90 nS (max.)
Read operating current: 8/20 mA (max.)
Erase/Programming operating current
30 mA (max.)
Standby current: 20/100
A (max.)
Unregulated battery power supply range,
3.0V to 3.6V and 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 packages: 20-pin TSSOP and 20-pin
SOP
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
A14
A12
VDD
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
AD0
A10
A8
AD1
AD3
ALE
A14
A12
GND
AD6
AD4
AD2
A11
A13
A15
SOP
Top View
A9
OE/VPP
VDD
AD7
16
BLOCK DIAGRAM
ALE
OE / V
CONTROL
GND
VDD
PP
AD7 - AD0
OUTPUT
BUFFER
DECODER
L
A
T
C
H
E
S
A15 - A8
MEMORY
ARRAY
PIN DESCRIPTION
SYMBOL
DESCRIPTION
AD0
AD7
Address/Data Inputs/Outputs
A8
A15
Address Inputs
ALE
Address Latch Enable
OE /VPP
Output Enable, Program/Erase
Supply Voltage
VDD
Power Supply
GND
Ground
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W27LE520W-70 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:64K X 8 ELECTRICALLY ERASABLE EPROM |
| W27LE520W-90 | 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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