at49lw080 ATMEL Corporation, at49lw080 Datasheet - Page 27

• Manufacturer Part Number: at49lw080
• Description: 8-megabit Firmware Hub Flash Memory
• Manufacturer: ATMEL Corporation

22. Electrical Characteristics in A/A Mux Mode
23. A/A Mux Mode Interface DC Input/Output Specifications
Notes:
24. Reset Operations
Notes:
25. AC Waveforms for Reset Operations
1966G–FLASH–3/05
Symbol
V
V
I
V
V
C
C
L
Symbol
t
t
IL
PLPH
PLRH
PIN
IH
IL
OH
OL
IN
CLK
(4)
(3)
(3)
(2)
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
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
IL
RY/BY
may be changed on IC and ID pins (up to 200 µA) if pulled against internal pull-downs. Refer to the pin descriptions.
RST
Parameter
Input High Voltage
Input Low Voltage
Input Leakage Current
Output High Voltage
Output Low Voltage
Input Pin Capacitance
CLK Pin Capacitance
Recommended Pin Inductance
Parameter
RST Pulse Low Time (If RST is tied to V
applicable.)
RST Low to Reset during Sector Erase or Program
V
V
V
V
IH
IH
IL
IL
PHAV
Certain specifications differ from the previous sections, when programming in A/A Mux Mode.
The following subsections provide this data. Any information that is not shown here is not spe-
cific to A/A Mux Mode and uses the FWH Mode specifications.
When the V
enabled, but programming and erase functions are disabled. Placing V
successful sector erase and program operations.
, is required from the latter of RY/BY or RST going high until outputs are valid.
PP
t
PLPH
voltage is ≤ V
t
PLRH
Conditions
V
V
V
CC
CC
CC
CC
= V
= V
PPLK
V
= V
, this specification is not
V
out
CC
CC
CC
CC
, read operations from memory or reading the Product ID are
= V
min, I
min, I
= V
min, I
CC
CC
(1)(2)
or GND
OH
OH
max,
OL
= -2.5 mA
= -100 µA
= 2 mA
0.85 V
V
0.5 V
CC
Min
-0.5
3
= 0.4
CC
Min
100
CC
min
V
AT49LW080
CC
PPH1/2
Max
Max
+10
0.8
0.4
13
12
20
20
+ 0.5
on V
PP
Unit
enables
Unit
ns
µA
nH
pF
pF
µs
V
V
V
V
V
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