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参数资料
| 型号： | W26B021T70LE |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | SRAM |
| 英文描述： | 128K X 16 STANDARD SRAM, 70 ns, PDSO48 |
| 封装： | TSOP1-48 |
| 文件页数： | 6/12页 |
| 文件大小： | 203K |
| 代理商： | W26B021T70LE |
Preliminary W26B021
Publication Release Date: April 19, 2002
- 3 -
Revision A1
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
UNIT
Supply Voltage to VSS Potential
-0.5 to +4.6
V
Input/Output to VSS Potential
-0.5 to VDD +0.5
V
Allowable Power Dissipation
1.0
W
Storage Temperature
-65 to +150
°C
LL
0 to 70
°C
LE
-20 to 85
°C
Operating Temperature
LI
-40 to 85
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
Operating Characteristics
(VSS = 0V; TA (
°C) = 0 to 70 for LL, -20 to 85 for LE, -40 to 85 for LI)
W26B021
PARAMETER
SYM.
TEST
CONDITIONS
MIN.
MAX.
UNIT
Operating Power Voltage
VDD
-
2.2
3.6
V
Input Low Voltage
VIL
-
-0.3
+0.4
V
VDD = 2.7V to 3.6V
+2.4
VDD +0.4
Input High Voltage
VIH
VDD = 2.2V to 2.7V
+2.0
VDD +0.3
V
Input Leakage Current
ILI
VIN = VSS to VDD
-1
+1
A
Output Leakage Current
ILO
VI/O = VSS to VDD; #CS1 = VIH (min.)
or CS2 = VIL (max.) or #OE = VIH (min.)
or #WE = VIL (max.)
-1
+1
A
IOL = +1.0 mA, VDD = 2.7V to 3.6V
-
0.4
Output Low Voltage
VOL
IOL = +1.0 mA, VDD = 2.2V to 2.7V
-
0.4
V
IOH = -0.5 mA, VDD = 2.7V to 3.6V
2.4
-
Output High Voltage
VOH
IOH = -0.5 mA, VDD = 2.2V to 2.7V
1.8
-
V
Operating Power
Supply Current
IDD
#CS1 = VIL (max.) and CS2 = VIH (min.),
I/O = 0 mA; Cycle = min. Duty = 100%
-
20
mA
ISB
#CS1 = VIH (min.) or CS2 = VIL (max.)
-
0.3
mA
Standby Power
Supply Current
ISB1
#CS1
≥ VDD -0.2V, CS2 ≥ VDD -0.2V or
#CS1
≤ 0.2V, CS2 ≤ 0.2V
-
5
A
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