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參數(shù)資料
| 型號： | IDT7MB4048 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | IC LOGIC 244 OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS -40+85C SOIC-20 38/TUBE |
| 中文描述： | 為512k × 8的CMOS靜態(tài)RAM模塊 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 80K |
| 代理商： | IDT7MB4048 |
COMMERCIAL TEMPERATURE RANGE
DECEMBER 1995
1996 Integrated Device Technology, Inc.
DSC-2675/6
7.11
1
The IDT logo is a registered trademark of Integrated Device Technology Inc.
FEATURES:
High-density 4-megabit (512K x 8) Static RAM module
Fast access time: 25ns (max.)
Surface mounted plastic packages on a 32-pin, 600 mil
FR-4 DIP substrate
Single 5V (
±
10%) power supply
Inputs/outputs directly TTL-compatible
DESCRIPTION:
The IDT7MB4048 is a 4-megabit (512K x 8) Static RAM
module constructed on a multilayer epoxy laminate (FR-4)
substrate using four 1 megabit SRAMs and a decoder. The
IDT7MB4048 is available with access times as fast as 25ns.
The IDT7MB4048 is packaged in a 32-pin FR-4 DIP resulting
in the JEDEC footprint in a package 1.6 inches long and 0.6
inches wide.
All inputs and outputs of the IDT7MB4048 are TTL-com-
patible and operate from a single 5V supply. Fully asynchro-
nous circuitry requires no clocks or refresh for operation and
provides equal access and cycle times for ease of use.
512K x 8
CMOS STATIC RAM MODULE
IDT7MB4048
FUNCTIONAL BLOCK DIAGRAM
2675 drw 02
19
512K x 8
RAM
ADDRESS
CS
WE
OE
I/O
8
PIN CONFIGURATION
PIN NAMES
I/O
0-7
A
0-18
CS
Data Inputs/Outputs
Addresses
Chip Select
Write Enable
Output Enable
Power
Ground
WE
OE
V
CC
GND
2675 tbl 01
DIP
TOP VIEW
2675 drw 01
5
6
7
8
9
10
11
12
13
14
15
16
GND
A
18
A
16
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
I/O
0
I/O
1
I/O
2
1
2
3
4
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
Vcc
A
15
A
17
WE
A
13
A
8
A
9
A
11
OE
A
10
CS
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
17
Integrated Device Technology, Inc.
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