参数资料
型号: IDT70V27S55PF
厂商: IDT, Integrated Device Technology Inc
文件页数: 2/21页
文件大小: 0K
描述: IC SRAM 512KBIT 55NS 100TQFP
标准包装: 6
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 512K (32K x 16)
速度: 55ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 70°C
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
其它名称: 70V27S55PF
IDT 70V27S/L
High-Speed 3.3V 32K x 16 Dual-Port Static RAM
Description:
The IDT70V27 is a high-speed 32K x 16 Dual-Port Static RAM,
designed to be used as a stand-alone 512K-bit Dual-Port RAM or as a
combination MASTER/SLAVE Dual-Port RAM for 32-bit and wider word
systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 32-
bit or wider memory system applications results in full-speed, error-free
operation without the need for additional discrete logic.
The device provides two independent ports with separate control,
address, and I/O pins that permit independent, asynchronous access for
Pin Configurations (1,2,3)
07/29/04
INDEX
Commercial and Industrial Temperature Range
reads or writes to any location in memory. An automatic power down
feature controlled by the chip enables ( CE 0 and CE 1 ) permits the on-chip
circuitry of each port to enter a very low standby power mode.
Fabricated using CMOS high-performance technology, these
devices typically operate on only 500mW of power. The IDT70V27 is
packaged in a 100-pin Thin Quad Flatpack (TQFP) and a 144-pin Fine
Pitch BGA (fp BGA).
75
A 9L
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
A 9R
A 10L
A 11L
A 12L
A 13L
A 14L
NC
NC
NC
2
3
4
5
6
7
8
9
74
73
72
71
70
69
68
67
A 10R
A 11R
A 12R
A 13R
A 14R
NC
NC
NC
LB L
UB L
CE 0L
CE 1L
SEM L
V DD
R/ W L
OE L
V SS
V SS
I/O 15L
I/O 14L
I/O 13L
I/O 12L
I/O 11L
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IDT70V27PF
PN100-1 (4)
100-PIN TQFP
TOP VIEW (5)
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
LB R
UB R
CE 0R
CE 1R
SEM R
V SS
R/ W R
OE R
V SS
V SS
I/O 15R
I/O 14R
I/O 13R
I/O 12R
I/O 11R
I/O 10L
25 51
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
I/O 10R
3603 drw 02
NOTES:
1. All V DD pins must be connected to power supply.
2. All V SS pins must be connected to ground supply.
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.
2
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