參數(shù)資料
型號(hào)： SDA9251-2X
廠商： SIEMENS A G
元件分類(lèi)： DRAM
英文描述： 868352-Bit Dynamic Sequential Access Memory for Television Applications (TV-SAM)
中文描述： 212K X 4 VIDEO DRAM, 25 ns, PDSO28
文件頁(yè)數(shù)： 8/23頁(yè)
文件大小： 771K
代理商： SDA9251-2X
SDA 9251-2X
Semiconductor Group
166
Pin Definitions and Functions
Pin No.
Symbol
Input (I)
Output (O)
Function
3
2
27
26
SQA0
SQA1
SQA2
SQA3
O
O
O
O
Serial data output for port A
20
SCA
I
Serial clock input for port A
19
RA
I
Read transfer control input (latch A to shift register A)
25
OEA
I
Output enable input for port A
5
4
24
23
SQB0
SQB1
SQB2
SQB3
O
O
O
O
Serial data output for port B
18
SCB
I
Serial clock input for port B and C
17
RB
I
Read transfer control input (latch B to shift register B)
22
OEB
I
Output enable input for port B
6
7
8
9
SDC0
SDC1
SDC2
SDC3
I
I
I
I
Serial data input for port C
16
WT
I
Write transfer control input (shift register C to latch C)
12
SAR
I
Serial row address input
13
SAC
I
Serial column address and mode control input
11
SCAD
I
Serial address clock input
10
RE
V
CC1
V
SS1
V
CC2
V
SS2
(TF)
I
RAM-enable input (also latches the addresses)
1
Data output power supply (+ 5 V)
28
Data output power supply (GND)
14
Memory power supply (+ 5 V)
15
Memory power supply (GND)
21
Test function (for factory use only)
相關(guān)PDF資料
PDF描述
SDA9253 2.6 MBit Dynamic Sequential Access Memory for Television Applications (TV-SAM)
SDA9254-2 2.6 MBit Dynamic Sequential Access Memory for Television Applications (TV-SAM) with On-chip Noise Reduction Filter
SDA9257 Clock Sync Generator
SDA9280 ICs for Consumer Electronics
SDA9280B22 ICs for Consumer Electronics
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SDA9253 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)
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
SDA9255 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:SRC-Scan Rate Converter SDA9255
SDA9257 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Clock Sync Generator
SDA9270 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Consumer Electronics
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