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參數(shù)資料
| 型號(hào)： | W27C257P-12 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類(lèi)： | PROM |
| 英文描述： | 32K X 8 EEPROM 12V, 120 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁(yè)數(shù)： | 9/14頁(yè) |
| 文件大?。?/td> | 153K |
| 代理商： | W27C257P-12 |
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W27C257
- 4 -
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
UNIT
Ambient Temperature with Power Applied
-55 to +125
°C
Storage Temperature
-65 to +125
°C
Voltage on all pins with Respect to Ground Except VPP, A9
and VCC pins
-0.5 to VCC +0.5
V
Voltage on VPP Pin with Respect to Ground
-0.5 to +14.5
V
Voltage on A9 Pin with Respect to Ground
-0.5 to +14.5
V
Voltage on VCC Pin with Respect to Ground
-0.5 to +7
V
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC Erase Characteristics
(TA = 25
° C ±5° C, VCC = 5.0V ±5%)
PARAMETER
SYM.
CONDITIONS
LIMITS
UNIT
MIN.
TYP.
MAX.
Input Load Current
ILI
VIN = VIL or VIH
-10
-
10
A
VCC Erase Current
ICP
CE = VIL
-
30
mA
VPP Erase Current
IPP
CE = VIL
-
30
mA
Input Low Voltage
VIL
-
-0.3
-
0.8
V
Input High Voltage
VIH
-
2.4
-
5.5
V
Output Low Voltage (Verify)
VOL
IOL = 2.1 mA
-
0.45
V
Output High Voltage (Verify)
VOH
IOH = -0.4 mA
2.4
-
A9 Erase Voltage
VID
-
13.75
14
14.25
V
VPP Erase Voltage
VPE
-
13.75
14
14.25
V
VCC Supply Voltage (Erase)
VCE
-
4.5
5.0
5.5
V
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
CAPACITANCE
(VCC = 5V, TA = 25
° C, f = 1 MHz)
PARAMETER
SYMBOL
CONDITIONS
MAX.
UNIT
Input Capacitance
CIN
VIN = 0V
6
pF
Output Capacitance
COUT
VOUT = 0V
12
pF
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