am49dl320bg Meet Spansion Inc., am49dl320bg Datasheet - Page 37
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am49dl320bg
Manufacturer Part Number
am49dl320bg
Description
32mbit 4m ? 8-bit/2m ? 16-bit Cmos And 32mbit 2m ? 16-bit Psuedo Static Ram With Page Mode Preliminary
Manufacturer
Meet Spansion Inc.
Datasheet
1.AM49DL320BG.pdf
(64 pages)
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Plastic Packages . . . . . . . . . . . . . . . –55 C to +125 C
Ambient Temperature
with Power Applied . . . . . . . . . . . . . . –40 C to +85 C
Voltage with Respect to Ground
Output Short Circuit Current (Note 3) . . . . . . 200 mA
Notes:
1. Minimum DC voltage on input or I/O pins is –0.5 V.
2. Minimum DC input voltage on pins OE#, RESET#, and
3. No more than one output may be shorted to ground at a
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. This
is a stress rating only; functional operation of the device at
these or any other conditions above those indicated in the
operational sections of this data sheet is not implied.
Exposure of the device to absolute maximum rating
conditions for extended periods may affect device reliability
36
+0.8 V
–0.5 V
–2.0 V
V
RESET# (Note 2) . . . . . . . . . . . .–0.5 V to +12.5 V
WP#/ACC . . . . . . . . . . . . . . . . . .–0.5 V to +10.5 V
All other pins (Note 1) . . . . . . –0.5 V to V
During voltage transitions, input or I/O pins may
overshoot V
Maximum DC voltage on input or I/O pins is V
See Figure 7. During voltage transitions, input or I/O pins
may overshoot to V
Figure 8.
WP#/ACC is –0.5 V. During voltage transitions, OE#,
WP#/ACC, and RESET# may overshoot V
for periods of up to 20 ns. See Figure 7. Maximum DC
input voltage on pin RESET# is +12.5 V which may
overshoot to +14.0 V for periods up to 20 ns. Maximum
DC input voltage on WP#/ACC is +9.5 V which may
overshoot to +12.0 V for periods up to 20 ns.
time. Duration of the short circuit should not be greater
than one second.
CC
f/V
CC
Figure 7. Maximum Negative
s (Note 1) . . . . . . . . . . . .–0.3 V to +4.0 V
SS
Overshoot Waveform
20 ns
to –2.0 V for periods of up to 20 ns.
CC
+2.0 V for periods up to 20 ns. See
20 ns
20 ns
P R E L I M I N A R Y
SS
CC
CC
to –2.0 V
+0.5 V
+0.5 V.
Am49DL320BG
OPERATING RANGES
Industrial (I) Devices
Ambient Temperature (T
V
V
Operating ranges define those limits between which the func-
tionality of the device is guaranteed.
+2.0 V
+0.5 V
CC
CC
2.0 V
V
V
f/V
f/V
CC
CC
CC
CC
s Supply Voltage
s for standard voltage range . . 2.7 V to 3.3 V
Figure 8. Maximum Positive
Overshoot Waveform
20 ns
A
) . . . . . . . . .–40°C to +85°C
20 ns
20 ns
June 25, 2002