参数资料
型号: AT49LW040-33JC
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 8-megabit and 4-megabit Firmware Hub Flash Memory
中文描述: 512K X 8 FLASH 3V PROM, 11 ns, PQCC32
封装: PLASTIC, MS-016AE, LCC-32
文件页数: 22/34页
文件大小: 465K
代理商: AT49LW040-33JC
22
AT49LW080/040
1966C
FLASH
03/02
Notes:
1. All specified voltages are with respect to GND. Minimum DC voltage on the V
PP
pin is -0.5V. During transitions, this level may
undershoot to -2.0V for periods of <20 ns. During transitions, this level may overshoot to V
CC
+ 2.0V for periods <20 ns.
2. Maximum DC voltage on V
PP
may overshoot to +13.0V for periods <20 ns.
3. Connection to supply of V
HH
is allowed for a maximum cumulative period of 80 hours.
4. Do not violate processor or chipset limitations on the INIT pin.
Note:
1. This temperature requirement is different from the normal commercial operating condition of Flash memories.
Notes:
1. Input leakage currents include high-Z output leakage for all bi-directional buffers with tri-state outputs.
2. Refer to PCI spec.
3. Inputs are not
5-volt safe.
4. I
IL
may be changed on IC and ID pins (up to 200 μA) if pulled against internal pull-downs. Refer to the pin descriptions
5. Do not violate processor or chipset specifications regarding the INIT pin voltage.
Absolute Maximum Ratings*
Voltage on Any Pin
(except V
PP
) .................................-0.5V to +VCC + 0.5V
(1)(2)(4)
*NOTICE:
Stresses beyond those listed under
Absolute
Maximum Ratings
may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
V
PP
Voltage............................................ -0.5V to +13.0V
(1)(2)(3)
Operating Conditions
Temperature and V
CC
Symbol
Parameter
Test Condition
Min
Max
Unit
T
C
Operating Temperature
(1)
Case Temperature
0
+85
°
C
V
CC
V
CC
Supply Voltage (3.3V ± 0.3V)
3.0
3.6
V
FWH Interface DC Input/Output Specifications
Symbol
Parameter
Conditions
Min
Max
Units
V
IH
V
IH
(INIT)
(5)
V
IL
(INIT)
(5)
(3)
Input High Voltage
0.5 V
CC
V
CC
+ 0.5
V
INIT Input High Voltage
1.35
V
CC
+ 0.5
V
INIT Input Low Voltage
0.85
V
V
IL
(3)
Input Low Voltage
-0.5
0.3 V
CC
V
I
IL
(4)
Input Leakage Current
(1)
0 < V
IN
< V
CC
±10
μA
V
OH
Output High Voltage
I
OUT
= -500 μA
0.9 V
CC
V
V
OL
Output Low Voltage
I
OUT
= 1500 μA
0.1 V
CC
V
C
IN
Input Pin Capacitance
13
pF
C
CLK
L
pin(2)
CLK Pin Capacitance
3
12
pF
Recommended Pin Inductance
20
nH
相关PDF资料
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AT49LW040-33TC 8-megabit and 4-megabit Firmware Hub Flash Memory
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