参数资料
型号: AT49LW080-33JC
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: 1M X 8 FLASH 3V PROM, 11 ns, PQCC32
封装: PLASTIC, MS-016AE, LCC-32
文件页数: 27/34页
文件大小: 465K
代理商: AT49LW080-33JC
27
AT49LW080/040
1966C
FLASH
03/02
ELECTRICAL CHARACTERISTICS IN A/A MUX MODE:
Certain specifications differ
from the previous sections, when programming in A/A Mux Mode. The following subsec-
tions provide this data. Any information that is not shown here is not specific to A/A Mux
Mode and uses the FWH Mode specifications.
When the V
PP
voltage is
V
PPLK
, read operations from memory or reading the Product
ID are enabled, but programming and erase functions are disabled. Placing V
PPH1/2
on
V
PP
enables successful sector erase and program operations.
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.
Notes:
1. If RST is asserted when the WSM is not busy (RY/BY = 1), the reset will complete within 100 ns.
2. A reset time, t
PHAV
, is required from the latter of RY/BY or RST going high until outputs are valid.
AC Waveforms for Reset Operations
A/A Mux Mode Interface DC Input/Output Specifications
Symbol
Parameter
Conditions
Min
Max
Unit
V
IH
(3)
Input High Voltage
0.5 V
CC
V
CC
+ 0.5
V
V
IL
(3)
Input Low Voltage
-0.5
0.8
V
I
IL
(4)
Input Leakage Current
V
CC
= V
CC
max,
V
out
= V
CC
or GND
+10
μA
V
OH
Output High Voltage
V
CC
= V
CC
min, I
OH
= -2.5 mA
V
CC
= V
CC
min, I
OH
= -100 μA
0.85 V
CC
Min
V
CC
= 0.4
V
V
V
OL
Output Low Voltage
V
CC
= V
CC
min, I
OL
= 2 mA
0.4
V
C
IN
Input Pin Capacitance
13
pF
C
CLK
CLK Pin Capacitance
3
12
pF
L
PIN
(2)
Recommended Pin Inductance
20
nH
Reset Operations
Symbol
Parameter
Min
Max
Unit
t
PLPH
RST Pulse Low Time (If RST is tied to V
CC
, this specification is not
applicable.)
100
ns
t
PLRH
RST Low to Reset during Sector Erase or Program
(1)(2)
20
μs
V
IH
V
IL
V
IH
V
IL
t
PLPH
t
PLRH
RY/BY
RST
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