參數(shù)資料
型號(hào)： IBM11M2640H
廠商： IBM Microeletronics
英文描述： 2M x 64 DRAM Module(2M x 64 動(dòng)態(tài)RAM模塊)
中文描述： 200萬× 64內(nèi)存（2米× 64動(dòng)態(tài)內(nèi)存模塊）
文件頁(yè)數(shù)： 5/26頁(yè)
文件大?。?/td> 480K
代理商： IBM11M2640H
IBM11M2640H
IBM11M2640HB
2M x 64 DRAM MODULE
64G1559
SA14-4612-04
Revised 5/96
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 5 of 26
Absolute Maximum Ratings
Symbol
Parameter
Rating (3.3V)
Rating (5.0V)
Units
Notes
V
CC
Power Supply Voltage
-0.5 to +4.6
-1.0 to +7.0
V
1
V
IN
Input Voltage
-0.5 to min (V
CC
+ 0.5, 4.6)
-0.5 to min (V
CC
+ 0.5, 7.0)
V
1
V
OUT
Output Voltage
-0.5 to min (V
CC
+ 0.5, 4.6)
-0.5 to min (V
CC
+ 0.5, 7.0)
V
°
C
°
C
1
T
OPR
Operating Temperature
0 to +70
0 to +70
1
T
STG
Storage Temperature
-55 to +125
-55 to +125
1
P
D
Power Dissipation
2.6
4.0
W
1, 2
I
OUT
Short Circuit Output Current
50
50
mA
1
I
OUTPD
Short Circuit Output Current (PD)
60
60
mA
1
1. Stresses greater than those listed may cause permanent damage to the device. This is a stress rating only and functional opera-
tion of the device at these or any other conditions above those indicated is not implied. Exposure to absolute maximum rating con-
dition for extended periods may affect reliability.
2. Maximum power occurs when all banks are active (refresh cycle).
Recommended DC Operating Conditions
(T
A
= 0 to 70
°
C)
Symbol
Parameter
3.3V
5.0V
Units
Notes
Min
Typ
Max
Min
Typ
Max
V
CC
Supply Voltage
3.0
3.3
3.6
4.5
5.0
5.5
V
1
V
IH
Input High Voltage
2.0
—
V
CC
+ 0.5
2.4
—
V
CC
+ 0.5
V
1, 2
V
IL
Input Low Voltage
-0.5
—
0.8
-0.5
—
0.8
V
1, 2
1. All voltages referenced to V
SS.
2. V
IH
may overshoot to V
CC
+ 1.2V for pulse widths of
≤
4.0ns with 3.3 Volt, or V
CC
+ 2.0V for pulse widths of
≤
4.0ns (or V
CC
+ 1.0V
for
≤
8.0ns) with 5.0 Volt. Additionally, V
IL
may undershoot to -2.0V for pulse widths
≤
4.0ns (or -1.0V for
≤
8.0ns). Pulse widths
measured at 50% points with amplitude measured peak to DC reference.
Capacitance
(T
A
= 0 to +70
°
C, V
CC
= 3.3V
±
0.3V or 5.0V
±
0.5V)
Symbol
Parameter
Max
Units
C
I1
Input Capacitance (A0, B0, A1-A10)
13
pF
C
I2
Input Capacitance (RAS)
35
pF
C
I3
Input Capacitance (CAS, WE, OE)
13
pF
C
I4
Input Capacitance (PDE)
18
pF
C
IO1
Input/Output Capacitance (DQ
X
)
15
pF
C
O1
Output Capacitance (PD)
15
pF
C
O2
Output Capacitance (ID)
5
pF
Discontinued (9/98 - last order; 3/99 last ship)
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