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參數(shù)資料
| 型號(hào)： | PDM41257LA10SOTR |
| 廠商： | IXYS CORP |
| 元件分類(lèi)： | SRAM |
| 英文描述： | 256K X 1 STANDARD SRAM, 10 ns, PDSO24 |
| 封裝： | 0.300 INCH, PLASTIC, SOJ-24 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 257K |
| 代理商： | PDM41257LA10SOTR |
PDM41257
2
Rev. 2.2 - 4/27/98
Truth Table
NOTE: 1. H = VIH, L = VIL, X = DON’T CARE
Absolute Maximum Ratings (1)
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 specication is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods may affect reliability.
2. Appropriate thermal calculations should be performed in all cases and specically for
those where the chosen package has a large thermal resistance (e.g., TSOP). The
calculation should be of the form: Tj = Ta + P * θja, where Ta is the ambient tempera-
ture, P is average operating power and
θ
ja the thermal resistance of the package. For
this product, use the following
θ
ja value:
SOJ: 83o C/W
WE
CE
DOUT
MODE
X
H
Hi-Z
Standby
HL
DOUT
Read
L
Hi-Z
Write
Symbol
Rating
Com’l.
Ind.
Unit
TTERM
Terminal Voltage with Respect to VSS
–0.5 to +7.0
°C
TBIAS
Temperature Under Bias
–55 to +125
–65 to +135
°C
TSTG
Storage Temperature
–55 to +125
–65 to +150
°C
PT
Power Dissipation
1.0
W
IOUT
DC Output Current
50
mA
Tj
Maximum Junction Temperature (2)
125
145
°C
SOJ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A0
A1
A2
A3
A4
A5
A6
A7
A8
DOUT
WE
Vss
Vcc
A17
A16
A15
A14
A13
A12
A11
A10
A9
DIN
CE
Pin Conguration
Pin Description
Name
Description
A17-A0
Address Inputs
DIN
Data Input
DOUT
Data Output
WE
Write Enable Input
CE
Chip Enable Input
VCC
Power (+5V)
VSS
Ground
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