參數(shù)資料
型號： M28C256-25WMS1T
廠商： 意法半導體
元件分類： EEPROM
英文描述： 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
中文描述： 256千位（的32KB × 8）與軟件數(shù)據(jù)保護并行的EEPROM
文件頁數(shù)： 8/21頁
文件大小： 132K
代理商： M28C256-25WMS1T
Symbol
Parameter
Min
Max
Unit
t
PUR
Time Delay to Read Operation
1
μ
s
t
PUW
Time Delay to Write Operation (once V
CC
≥
V
WI
)
5
ms
V
WI
Write Inhibit Threshold
3.0
4.2
V
Note:
1. Sampled only,not 100% tested.
Table7. PowerUp Timingfor M28256
(1)
(T
A
= 0 to 70
°
C or –40 to85
°
C; V
CC
= 4.5V to 5.5V)
Symbol
Parameter
Test Condition
Min
Max
Unit
I
LI
Input Leakage Current
0V
≤
V
IN
≤
V
CC
10
μ
A
I
LO
Output Leakage Current
0V
≤
V
IN
≤
V
CC
10
μ
A
I
CC(1)
Supply Current (CMOS inputs)
E = V
IL
, G = V
IL
, f = 5 MHz, V
CC
= 3.3V
15
mA
E = V
IL
, G = V
IL
, f = 5 MHz, V
CC
= 3.6V
15
mA
I
CC2
(1)
Supply Current (Standby) CMOS
E > V
CC
–0.3V
20
μ
A
V
IL
Input Low Voltage
– 0.3
0.6
V
V
IH
Input High Voltage
2
V
CC
+ 0.5
V
V
OL
Output Low Voltage
I
OL
= 2.1 mA
0.2 V
CC
V
V
OH
Output High Voltage
I
OH
= –400
μ
A
0.8 V
CC
V
Note:
1. All I/O’sopen circuit.
Table8. Read Mode DC Characteristicsfor M28256-W
(T
A
= 0 to 70
°
C or –40 to85
°
C; V
CC
= 2.7V to 3.6V)
Symbol
Parameter
Min
Max
Unit
t
PUR
Time Delay to Read Operation
1
μ
s
t
PUW
Time Delay to Write Operation (once V
CC
≥
V
WI
)
10
ms
V
WI
Write Inhibit Threshold
1.5
2.5
V
Note:
1. Sampled only,not 100% tested.
Table9. PowerUp Timingfor M28256-W
(1)
(T
A
= 0 to 70
°
C or –40 to85
°
C; V
CC
= 2.7V to 3.6V)
8/21
M28256
相關PDF資料
PDF描述
M28C256-25WMS6T 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C256-25WNS1T 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C256-25WNS6T 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C256-20BS1T SWITCH, DPDT; Thread size:1/4 x 40UNS; Switch function type:DPDT On-On; Current, contact @ contact voltage AC max:3A; Current, contact @ contact voltage DC max:8A; Material, contact:Silver; Resistance, contact:10mR; Temp, op. RoHS Compliant: Yes
M28C256-15WBS1T Connector assemblies, Network cables; Drop Ship:Yes
相關代理商/技術參數(shù)
參數(shù)描述
M28C256-25WMS6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C256-25WNS1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C256-25WNS6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection
M28C64 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8K x 8 Parallel EEPROM With Software Data Protection
M28C64-12BS1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8K x 8 Parallel EEPROM With Software Data Protection
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