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參數資料
| 型號： | MM54C89 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 64-Bit TRI-STATE Random Access Read/Write Memory |
| 中文描述： | 64位三態隨機存取讀/寫存儲器 |
| 文件頁數： | 4/6頁 |
| 文件大小： | 130K |
| 代理商： | MM54C89 |
AC Electrical Characteristics
*
Guaranteed across the specified temperature range, C
L
e
50 pF (Continued)
MM54C89
MM74C89
Parameter
Conditions
T
A
e b
55
§
C to
a
125
§
C
Min
T
A
e b
40
§
C to
a
85
§
C
Min
Units
Max
Max
t
SD
V
CC
e
5V
V
CC
e
10V
V
CC
e
15V
V
CC
e
5V
V
CC
e
10V, C
L
e
5 pF
V
CC
e
15V, R
L
e
10 k
X
70
35
30
60
30
25
ns
ns
ns
t
1H
, t
0H
420
170
135
360
145
115
ns
ns
ns
*
AC Parameters are guaranteed by DC correlated testing.
Truth Table
ME
WE
Operation
Condition of Outputs
L
L
H
H
L
H
L
H
Write
Read
Inhibit, Storage
Inhibit, Storage
TRI-STATE
Complement of Selected Word
TRI-STATE
TRI-STATE
AC Test Circuits
t
0H
TL/F/5888–4
t
1H
TL/F/5888–3
Switching Time Waveforms
t
0H
TL/F/5888–5
t
1H
TL/F/5888–6
Read Cycle
TL/F/5888–7
Write Cycle
TL/F/5888–8
4
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| MM54C89J | 64-Bit TRI-STATE Random Access Read/Write Memory |
| MM54C89N | 64-Bit TRI-STATE Random Access Read/Write Memory |
| MM54C901 | Hex Inverting TTL, Non-Inverting TTL, Inverting CMOS, Non-Inverting CMOS Buffer |
| MM54C902 | Linear Motion Control; Series:LCP12; Track Resistance:10kohm; Resistance Tolerance:+/-20%; Power Rating:0.4W; Resistor Element Material:Conductive Plastic; Temperature Coefficient:+/-400ppm/ C; Adjustment Type:Knob; Linearity %:1% RoHS Compliant: Yes |
| MM74C902 | Linear Motion Control; Series:LCP12; Track Resistance:10kohm; Resistance Tolerance:+/-20%; Power Rating:0.7W; Resistor Element Material:Conductive Plastic; Temperature Coefficient:+/-400ppm/ C; Adjustment Type:Knob RoHS Compliant: Yes |
相關代理商/技術參數 |
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| MM54C89 WAF | 制造商:Texas Instruments 功能描述: |
| MM54C89B | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:MILITARY TEMPERATURE SRAM in a 16-pin ceramic DIP package |
| MM54C89D | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:Random Access Read / Write Memory Wide supply voltage range 3.0V ro 15V |
| MM54C89DB | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:Random Access Read / Write Memory Wide supply voltage range 3.0V ro 15V |
| MM54C89F | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:Random Access Read / Write Memory Wide supply voltage range 3.0V ro 15V |
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