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參數(shù)資料
| 型號： | IDT7MB4145S15M |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | 256K x 32 CMOS STATIC RAM MODULE |
| 中文描述： | 256K × 32的CMOS靜態(tài)RAM模塊 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 96K |
| 代理商： | IDT7MB4145S15M |
IDT7MP4045/7MP4145
256K x 32 CMOS STATIC RAM MODULE
COMMERCIAL TEMPERATURE RANGE
15.2
2
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Ambient
Grade
Temperature
Commercial
0
°
C to +70
°
C
GND
0V
V
CC
5.0V
±
10%
2703 tbl 04
CAPACITANCE
(T
A
= +25
°
C, F = 1.0MHz)
Symbol
Parameter
(1)
C
IN(C)
Input Capacitance
(
CS
)
C
IN(A)
Input Capacitance
(Address & Control)
C
I/O
I/O Capacitance
Conditions
V
(IN)
= 0V
Max.
20
Unit
pF
V
(IN)
= 0V
70
pF
V
(OUT)
= 0V
12
pF
NOTE:
1. This parameter is guaranteed by design but not tested.
2703 tbl 02
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
V
CC
GND
V
IH
Parameter
Supply Voltage
Supply Voltage
Input High Voltage
Min.
4.5
0
2.2
–0.5
(1)
Typ.
5.0
0
—
Max.
5.5
0
6.0
Unit
V
V
V
V
IL
Input Low Voltage
—
0.8
V
NOTE:
1. V
IL
(min) = –1.5V for pulse width less than 10ns.
2703 tbl 03
TRUTH TABLE
Mode
Standby
Read
Write
Read
CS
OE
WE
Output
High-Z
DATA
OUT
DATA
IN
High-Z
Power
Standby
Active
Active
Active
H
L
L
L
X
L
X
H
X
H
L
H
2703 tbl 05
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
Rating
V
TERM
Terminal Voltage with
Respect to GND
T
A
Operating Temperature
T
BIAS
Temperature Under Bias
T
STG
Storage Temperature
I
OUT
DC Output Current
Value
Unit
V
–0.5 to +7.0
0 to +70
–10 to +85
–55 to +125
50
°
C
°
C
°
C
mA
NOTE:
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 reliability.
2703 tbl 06
PIN CONFIGURATION – 7MP4145
(1)
SIMM
TOP VIEW
NOTE:
1. Pins 3,4,6,and 7 (PD
0
-
3
) are read by the user to determine the density of
the module. If PD
0
, PD
1
read GND and PD
2,
PD
3
read OPEN, then the
module has a 256K depth.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
NC
PD
2
GND
PD
1
I/O
8
I/O
9
I/O
10
I/O
11
A
0
A
1
A
2
I/O
12
I/O
13
I/O
14
I/O
15
GND
A
15
CS
2
CS
4
A
17
OE
I/O
24
I/O
25
I/O
26
I/O
27
A
3
A
4
A
5
V
CC
A
6
I/O
28
I/O
29
I/O
30
I/O
31
NC
NC
NC
PD
3
PD
0
I/O
0
I/O
1
I/O
2
I/O
3
V
CC
A
7
A
8
A
9
I/O
4
I/O
5
I/O
6
I/O
7
WE
A
14
CS
1
CS
3
A
16
GND
I/O
16
I/O
17
I/O
18
I/O
19
A
10
A
11
A
12
A
13
I/O
20
I/O
21
I/O
22
I/O
23
GND
NC
NC
PD
0
- GND
PD
1
- GND
PD
2
- OPEN
PD
3
- OPEN
2703 drw 15
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