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參數(shù)資料
| 型號： | SDA9253 |
| 廠商： | SIEMENS A G |
| 元件分類： | DRAM |
| 英文描述： | 2.6 MBit Dynamic Sequential Access Memory for Television Applications (TV-SAM) |
| 中文描述： | VIDEO DRAM, PQFP64 |
| 文件頁數(shù)： | 8/25頁 |
| 文件大?。?/td> | 174K |
| 代理商： | SDA9253 |
SDA 9253
Semiconductor Group
8
1998-01-30
Pin Definitions and Functions
Pin No.
Symbol
Input (I)
Output (O)
Function
34
33
16
15
SQA0
.
.
SQA11
O
O
O
O
Serial data output for port A
51
SCA
I
Serial clock input for port A
58
RA
I
Read transfer control input (latch A to shift register A)
26
OEA
I
Output enable input for port A
44
43
11
12
SQB0
.
.
SQB11
O
O
O
O
Serial data output for port B
62
SCB
I
Serial clock input for port B and C
59
RB
I
Read transfer control input (latch B to shift register B)
23
OEB
I
Output enable input for port B
45
46
3
4
SDC0
.
.
SDC11
I
I
I
I
Serial data input for port C
60
WT
I
Write transfer control input (shift register C to latch C)
52
SAR
I
Serial row address input
53
SAC
I
Serial column address and mode control input
54
SCAD
I
Serial address clock input
55
RE
V
DD2
I
RAM-enable input (also latches the addresses)
7, 13, 19,
30, 36, 42
Data output power supply (+ 5 V)
8, 14, 20,
29, 35, 41
V
SS2
Data output power supply (GND)
24, 56
V
DD1
V
SS1
OPM
Memory power supply (+ 5 V), must be connected to
V
DD2
Memory power supply (GND), must be connected to
V
SS2
Test function (for factory use only)
25, 57
61
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| SDA9254-2 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:2.6 MBit Dynamic Sequential Access Memory for Television Applications (TV-SAM) with On-chip Noise Reduction Filter |
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| SDA9280 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Consumer Electronics |
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