AT49LH00B4-33TC ATMEL [ATMEL Corporation], AT49LH00B4-33TC Datasheet - Page 31

• Manufacturer Part Number: AT49LH00B4-33TC
• Description: 4-megabit Top Boot, Bottom Partitioned Firmware Hub and Low-Pin Count Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

ELECTRICAL CHARACTERISTICS FOR A/A MUX INTERFACE: Certain specifications differ from the previous sections
when programming using the A/A Mux interface. The following subsections provide this data. Any information that is not
shown here is not specific to the A/A Mux interface and uses the FWH/LPC interface specifications.
A/A Mux Interface DC Input/Output Specifications
Notes:
Reset Operations
Notes:
AC Waveforms for Reset Operations
3379B–FLASH–9/03
Symbol
V
V
I
V
V
C
C
L
Symbol
t
t
t
IL
PLPH
PLRH
PHAV
PIN
OH
OL
IH
IL
IN
CLK
(2)(3)
(1)
(4)
1. Inputs are not “5-volt safe.”
2. Input leakage currents include high-Z output leakage for all bi-directional buffers with high-Z outputs.
3. I
4. Refer to PCI spec.
1. If RST is asserted when the WSM is not busy (RDY/BSY = 1), the reset will complete within 100 ns.
2. A reset recovery time, t
ADDRESS
IL
RDY/BSY
may be higher on the IC and ID pins (up to 200 µA) if pulled against internal pull-downs. Refer to the pin descriptions.
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
RST
Parameter
RST Pulse Low Time (If RST is tied to V
applicable.)
RST Low to Reset during Sector Erase or Program
RST High to Row Address Setup
V
V
V
V
V
V
IH
IH
IH
IL
IL
IL
PHAV
, is required from the latter of RDY/BSY or RST going high until addresses are valid.
t
PLPH
(2)
Conditions
V
V
t
PLRH
V
CC
CC
CC
CC
= V
= V
V
= V
OUT
, this specification is not
V
CC
CC
CC
CC
= V
min, I
min, I
= V
min, I
CC
t
PHAV
CC
(1)(2)
OH
OH
or GND
max,
OL
= -2.5 mA
= -100 µA
= 2 mA
t
PHAV
0.85 V
V
0.5 V
CC
Min
-0.5
3
= 0.4
CC
Min
100
CC
1
min
AT49LH00B4
V
CC
Max
Max
+10
0.8
0.4
13
12
20
20
+ 0.5
Unit
Unit
ns
µs
µA
pF
pF
nH
µs
V
V
V
V
V
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