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W55F20 PDF даташит

Спецификация W55F20 изготовлена ​​​​«Winbond» и имеет функцию, называемую «SERIAL FLASH EEPROM SERIES».

Детали детали

Номер произв W55F20
Описание SERIAL FLASH EEPROM SERIES
Производители Winbond
логотип Winbond логотип 

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W55F20 Даташит, Описание, Даташиты
W55FXX
SERIAL FLASH EEPROM SERIES
GENERAL DESCRIPTION
The W55FXX is a serial input/output flash EEPROM series that is typically used as the memory cell
of a W51300 (voice recorder controller) or the ROM code emulator for the PowerSpeechTM series.
The single voltage supply eliminates the need for an extra pump circuit during programming and
erasing.
FEATURES
Provides CLK, ADDR, and DATA pins to operate with Winbond PowerSpeechTM series
512K/1M/2M memory sizes available
Directly cascadable for longer duration
Fast frame-write operation
Frame (32 bits) program cycle time: 400 µS (typ.)
Fast whole-chip-erase duration: 50 mS (max.)
Read data access time: 500 nS (max.)
Program/erase cycles: 10,000 (typ.)
Data retention: 10 years (typ.)
Low power consumption:
Operating: 5 mA (typ.)
Standby: 2 µA (typ.)
PIN CONFIGURATION
EOP
CTRL
VSS
ADDR
1
2
3
4
8 MODE
7 VDD
6 CLK
5 DATA
Publication Release Date: August 1996
- 1 - Revision A2









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W55F20 Даташит, Описание, Даташиты
W55FXX
PIN DESCRIPTION
NO. PIN NAME
1 EOP
2 CTRL
I/O
O
I
3 VSS
I
4 ADDR
I
5 DATA I/O
6 CLK
I
7 VDD
I
8 MODE
I
DESCRIPTION
End of process signal output
Enable signal for program and erase operations when MODE = 0
Input clock for mode counter when MODE = 1
Ground
Input clock for start adress shift-in
Bidirectional data line
Input clock for data write-in and read-out
Positive voltage supply
Mode select control pin
BLOCK DIAGRAM
CLK
DATA
ADDR
CTRL
MODE
EOP
shift register
/address counter
Decoder
Write-in Buffer
Control
Circuit
page-code cells
/page-code flag
/comparator
Output
Buffer
POR
Circuit
Core
Array
Pump
Circuit
-2-









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W55F20 Даташит, Описание, Даташиты
W55FXX
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL CONDITION
RATED VALUE
UNIT
Operating Temp.
TOPR
-
0 to +70
°C
Storage Temp.
TSTG
-
-65 to +150
°C
Power Supply
VDDVSS
-
-0.3 to +7.0
V
Input DC Voltage
VDC All pins -0.5 to VDD +1.0
V
Transient Voltage (< 20 nS)
VTRAN
All pins
-1.0 to VDD +1.0
V
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(VDD = 4.5V, VSS = 0V, TA = 25° C)
PARAMETER
SYMBOL CONDITIONS
LIMITS
MIN.
TYP.
Operating voltage
Standby current
VDD - 2.4
(Note)
ISB All inputs = GND
-
DATA & EOP open
4.5
2
Operating current
IOP In read mode
DATA & EOP open
FOSC = 1 MHz
-
5
Input voltage High
VIH All input pins
2.0
Low
Output current Sink
VIL
IOL VOL = 0.5V
-0.3 -
2.5 5
Drive IOH VOH = 4.0V
-2.5 -5
Input leakage current
of CTRL, MODE
ILI1 VIN = 4.5V
--
Input leakage current
of DATA
ILI2 VIN = 0V
--
Note: For been working with W52900, the minimum operating voltage couldn't be less than 3.6 volt.
MAX.
5.5
UNIT
V
4 µA
10 mA
VDD
V
0.8 V
- mA
- mA
4.5 µA
-4.5 µA
Publication Release Date: August 1996
- 3 - Revision A2










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Номер в каталогеОписаниеПроизводители
W55F20SERIAL FLASH EEPROM SERIESWinbond
Winbond

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