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70V261L25PFGI PDF预览

70V261L25PFGI

更新时间: 2024-02-24 22:15:56
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
17页 338K
描述
HIGH-SPEED 3.3V 16K x 16 DUAL-PORT STATIC RAM

70V261L25PFGI 数据手册

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IDT70V261S/L  
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt  
Industrial and Commercial Temperature Ranges  
Description  
address,andI/Opinsthatpermitindependent,asynchronousaccessfor  
reads or writes to any location in memory. An automatic power down  
featurecontrolledbyCEpermitstheon-chipcircuitryofeachporttoenter  
a very low standby power mode.  
Fabricated using CMOS high-performance technology, these de-  
vices typically operate on only 300mW of power.  
TheIDT70V261isahigh-speed16Kx16Dual-PortStaticRAM.The  
IDT70V261isdesignedtobeusedasastand-alone256K-bitDual-Port  
RAMorasacombinationMASTER/SLAVEDual-PortRAMfor32-bit-or-  
more word systems. Using the IDT MASTER/SLAVE Dual-Port RAM  
approach in 32-bit or wider memory system applications results in full-  
speed,error-freeoperationwithouttheneedforadditionaldiscretelogic.  
This device provides two independent ports with separate control,  
The IDT70V261 is packaged in a 100-pin Thin Quad Flatpack.  
Pin Configurations(1,2,3)  
12/11/01  
Index  
86  
76  
85 84 83 82 81 80 79 78 77  
100 99 98 97 96 95 94 93 92 91 90 89 88 87  
1
2
3
4
5
6
7
8
9
N/C  
N/C  
N/C  
75  
N/C  
N/C  
N/C  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
A6L  
A5L  
A4L  
A3L  
A2L  
A1L  
A0L  
N/C  
I/O10L  
I/O11L  
I/O12L  
I/O13L  
GND  
I/O14L  
I/O15L  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
IDT70V261PF  
INTL  
(4)  
PN100-1  
BUSY  
GND  
M/S  
BUSY  
INTR  
L
VCC  
GND  
I/O0R  
I/O1R  
I/O2R  
100-Pin TQFP  
(5)  
Top View  
R
A
A
A
A
A
A
0R  
VCC  
1R  
2R  
3R  
4R  
5R  
I/O3R  
I/O4R  
I/O5R  
I/O6R  
N/C  
N/C  
N/C  
N/C  
N/C  
N/C  
N/C  
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50  
,
3040 drw 02  
NOTES:  
Pin Names  
1. All VCC pins must be connected to power supply.  
2. All GND pins must be connected to ground supply.  
Left Port  
Right Port  
Names  
3. Package body is approximately 14mm x 14mm x 1.4mm.  
4. This package code is used to reference the package diagram.  
5. This text does not indicate orientation of the actual part-marking.  
Chip Enable  
CE  
R/W  
OE  
L
CE  
R/W  
OE  
R
L
R
Read/Write Enable  
Output Enable  
Address  
L
R
A
0L - A13L  
I/O0L - I/O15L  
SEM  
UB  
LB  
BUSY  
A
0R - A13R  
I/O0R - I/O15R  
Data Input/Output  
Semaphore Enable  
Upper Byte Select  
Lower Byte Select  
Busy Flag  
L
SEM  
UB  
LB  
BUSY  
M/S  
R
L
R
L
R
L
R
Master or Slave Select  
Power  
V
CC  
GND  
Ground  
3040 tbl 01  
6.242  

70V261L25PFGI 替代型号

型号 品牌 替代类型 描述 数据表
70V261L25PFGI8 IDT

完全替代

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