参数资料
型号: IDT7054S35PRFI
厂商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 4K x 8 FourPort STATIC RAM
中文描述: 高速4K的× 8 FourPort静态RAM
文件页数: 1/11页
文件大小: 99K
代理商: IDT7054S35PRFI
1
2001 Integrated Device Technology, Inc.
NOVEMBER 2001
DSC 3241/11
IDT7054S/L
.eatures
x
High-speed access
– Commercial: 20/25/35ns (max.)
– Industrial: 25ns (max.)
– Military: 25/35ns (max.)
x
Low-power operation
– IDT7054S
Active: 750mW (typ.)
Standby: 7.5mW (typ.)
– IDT7054L
Active: 750mW (typ.)
Standby: 1.5mW (typ.)
x
True FourPort memory cells which allow simultaneous
access of the same memory locations
x
Fully asynchronous operation from each of the four ports:
P1, P2, P3, and P4
x
TTL-compatible; single 5V (±10%) power supply
x
Available in 128 pin Thin Quad Flatpack and 108 pin PGA
packages
x
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Description
The IDT7054 is a high-speed 4K x 8 FourPort Static RAM designed
to be used in systems where multiple access into a common RAM is
required.ThisFourPortStaticRAMoffersincreasedsystemperformance
inmultiprocessorsystemsthathaveaneedtocommunicateinrealtimeand
alsooffersaddedbenefitforhigh-speedsystemsinwhichmultipleaccess
is required in the same cycle.
The IDT7054 is also designed to be used in systems where on-chip
hardware port arbitration is not needed. This part lends itself to those
systems which cannot tolerate wait states or are designed to be able to
.unctional Block Diagram
HIGH-SPEED
4K x 8 FourPortTM
STATIC RAM
MEMORY
ARRAY
COLUMN
I/O
PORT 1
ADDRESS
DECODE
LOGIC
PORT 2
ADDRESS
DECODE
LOGIC
COLUMN
I/O
COLUMN
I/O
PORT 4
ADDRESS
DECODE
LOGIC
PORT 3
ADDRESS
DECODE
LOGIC
COLUMN
I/O
R/WP1
I/O0P1-I/O7P1
CEP1
OEP1
A0P1 -A11P1
R/WP2
CEP2
OEP2
3241 drw 01
I/O0P2-I/O7P2
A0P2 -A11P2
R/WP4
I/O0P4-I/O7P4
CEP4
OEP4
A0P4 -A11P4
R/WP3
CEP3
OEP3
I/O0P3-I/O7P3
A0P3 -A11P3
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