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參數資料
| 型號： | W55412A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | VOICE PROM (256K OTP) |
| 中文描述： | 256K X 1 OTPROM, 500 ns, PDIP8 |
| 封裝： | DIP-8 |
| 文件頁數： | 3/5頁 |
| 文件大小： | 57K |
| 代理商： | W55412A |
W55412A
Publication Release Date: May 1996
- 3 -
Revision A2
The W55412A's read function allows data stored on the chip to be accessed by an OTP demo board
cascaded with a Winbond
PowerSpeech
body.
The DATA pin is a bidirectional pin used for address input and data output. The MODE/PGM/CLK,
V
PP
, and MCLK/PREDATA pins are used to program or erase the chip, not used in the normal read
mode.
ABSOLUTE MAXIMUM RATINGS
SYMBOL
RATING
UNIT
NOTES
V
DD
-0.5 to +7.0
V
1, 2
V
IN
V
SS
-0.5 to V
DD
+0.5
V
3, 2
V
OUT
V
SS
-0.5 to V
DD
+0.5
V
3, 2
T
OPR
0 to 70
°
C
mW
4
P
D
200
5
Notes:
1. Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of
the device.
2. All voltages are referenced to V
SS
.
3. V
IN
and V
OUT
refer to pins WRP, RDP, DATA, and MCLK/PREDATA.
4. T
OPR
: Operating temperature for commercial market.
5. P
D
: Maximum power dissipation without output load.
DC CHARACTERISTICS
(V
DD
= 4.5 V, V
SS
= 0 V, T
A
= 0 to 70
°
C)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
CONDITIONS
V
DD
= 4.5V
Power Supply Voltage
V
DD
2.4V
4.5V
5.0V
-
Standby Current
I
SB
-
-
1
μ
A
3 mA
No Load
Operating Current
I
DD
-
-
-
Input Current (WRP, RDP)
I
I
-
-
0.2
μ
A
-
-
Output Current
Drive
I
O
-250
μ
A
250
μ
A
-
V
DATA
= 4.2 V
(DATA)
Sink
-
-
V
DATA
= 0.3 V
相關PDF資料 |
PDF描述 |
|---|---|
| W55F05 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55F10 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55F20 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55FXX | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55MID50 | WINBOND MFID READER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W55F01 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| W55F05 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH EEPROM SERIES |
| W55F10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH EEPROM SERIES |
| W55F10A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SERIAL EEPROM|FLASH|CMOS|PLASTIC |
| W55F20 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH EEPROM SERIES |
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