參數(shù)資料
型號(hào)： IBMB3N16644HCB-260
英文描述： x64 SDRAM Module
中文描述： X64的內(nèi)存模塊
文件頁(yè)數(shù)： 10/20頁(yè)
文件大?。?/td> 378K
代理商： IBMB3N16644HCB-260
IBM13N16644HCC
IBM13N16734HCC
16M x 64/72 Two-Bank Unbuffered SDRAM Module
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 10 of 20
19L7296.E93875B
12/99
Absolute Maximum Ratings
Symbol
Parameter
Rating
Units
Notes
V
DD
Power Supply Voltage
-0.3 to +4.6
V
1
V
IN
Input Voltage
SDRAM Devices
-0.3 to V
DD
+0.3
Serial PD Device
-0.3 to +6.5
V
OUT
Output Voltage
SDRAM Devices
-0.3 to V
DD
+3.3
Serial PD Device
-0.3 to +6.5
T
A
Operating Temperature (ambient)
0 to +70
°
C
1
T
STG
Storage Temperature
-55 to +125
°
C
1
P
D
Power Dissipation
x64
4.9
W
1
x72
5.5
I
OUT
Short Circuit Output Current
50
mA
1
1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reli-
ability.
Recommended DC Operating Conditions
(T
A
= 0 to 70C)
Symbol
Parameter
Rating
Units
Notes
Min.
Typ.
Max.
V
DD
Supply Voltage
3.0
3.3
3.6
V
1
V
IH
Input High Voltage
2.0
—
V
DD
+ 0.3
V
1, 2
V
IL
Input Low Voltage
-0.3
—
0.8
V
1, 3
1. All voltages referenced to V
SS
.
2. V
IH
(max) = V
DD
+ 1.2V for pulse width
≤
5ns.
3. V
IL
(min) = V
DD
- 1.2V for pulse width
≤
5ns.
Capacitance
(T
A
= 25
°
C, f=1MHz, V
DD
= 3.3V
±
0.3V)
Symbol
Parameter
Organization
Units
x64 Max.
x72 Max.
C
I1
C
I2
C
I3
C
I4
C
I5
C
I6
C
IO1
C
IO2
Input Capacitance (A0 - A9, A10/AP, A11, BA0, BA1, RAS, CAS, WE)
104
112
pF
Input Capacitance (CKE0 - CKE1)
54
58
pF
Input Capacitance (S0 - S3)
30
33
pF
Input Capacitance (CK0 - CK3)
40
40
pF
Input Capacitance (DQMB0 - DQMB7)
17
21
pF
Input Capacitance (SA0 - SA2, SCL, WP)
9
9
pF
Input/Output Capacitance (DQ0 - DQ63, CB0 - CB7)
17
17
pF
Input/Output Capacitance (SDA)
11
11
pF
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