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參數資料
| 型號： | 7052S25G |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | SRAM |
| 英文描述： | 2K X 8 FOUR-PORT SRAM, 25 ns, CPGA108 |
| 封裝： | 1.210 X 1.210 INCH, 0.160 INCH HEIGHT, PGA-108 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 123K |
| 代理商： | 7052S25G |
2001 Integrated Device Technology, Inc.
NOVEMBER 2001
DSC 2674/11
1
IDT7052S/L
Functional Block Diagram
HIGH-SPEED
2K x 8 FourPortTM
STATIC RAM
Features
◆
◆ High-speed access
– Commercial: 20/25/35ns (max.)
– Industrial: 25ns (max.)
– Military: 25/35ns (max.)
◆
◆ Low-power operation
– IDT7052S
Active: 750mW (typ.)
Standby: 7.5mW (typ.)
– IDT7052L
Active: 750mW (typ.)
Standby: 1.5mW (typ.)
◆
◆ True FourPort memory cells which allow simultaneous
access of the same memory locations
◆
◆ Fully asynchronous operation from each of the four ports:
P1, P2, P3, P4
◆
◆ Versatile control for write-inhibit: separate BUSY input to
control write-inhibit for each of the four ports
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 -A10P1
BUSYP2
R/
WP2
CEP2
OEP2
2674 drw 01
I/O0P2-I/O7P2
A0P2 -A10P2
BUSYP1
R/
WP4
I/O0P4-I/O7P4
CEP4
OEP4
A0P4 -A10P4
BUSYP3
R/
WP3
CEP3
OEP3
I/O0P3-I/O7P3
A0P3 -A10P3
BUSYP4
◆
◆ Battery backup operation—2V data retention
◆
◆ TTL-compatible; single 5V (±10%) power supply
◆
◆ Available in 120 pin and 132 pin Thin Quad Flatpacks and
108 pin PGA
◆
◆ Military product compliant to MIL-PRF-38535 QML
◆
◆ Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Description
The IDT7052 is a high-speed 2K 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 IDT7052 is also designed to be used in systems where on-chip
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