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參數資料
| 型號： | PUMA67S4000MB-45 |
| 英文描述： | USB FOUR PORT HUB, GANGED(USB) |
| 中文描述： | X32號的SRAM模塊 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 339K |
| 代理商： | PUMA67S4000MB-45 |
Description
Available in PGA (PUMA 2), JLCC (PUMA 67) and
Gullwing (PUMA 77) footprints. The PUMA **S4000
is a 4 Mbit SRAM module, user configurable as
128K x 32, 256K x 16 or 512K x 8. The device is
available with fast access times of 20, 25 and 30ns.
A low power standby and Data Retention mode is
available. The device may be screened in
accordance with MIL-STD-883C.
Pin Functions
A0~A16
Address Input
D0~D31
Data Inputs/Outputs
CS1~4
Chip Select
WE1~4
Write Enables
OE
Output Enable
Vcc
Power (+5V)
GND
Ground
Features
4 Megabit SRAM module.
Fast Access Times of 20/25/35 ns.
Output Configurable as 32 / 16 / 8 bit wide.
Upgradeable footprint.
Operating Power
3740 / 2310 / 1595 mW (Max).
Low Power Standby (L version)
220 mW (Max).
3.0V Battery Back-up Capability.
TTL Compatible Inputs and Outputs.
May be screened in accordance with MIL-STD-883.
PUMA 2 - 66 pin ceramic PGA.
PUMA 67 - 68 pin ceramic JLCC.
PUMA 77 - 68 pin ceramic Gullwing.
Block Diagram
PUMA 67S4000 and 77S4000
Block Diagram
PUMA 2S4000, 67S4000A and 77S4000A
128K x 32 SRAM Module
PUMA 2/67/77S4000/A-020/025/35
Issue 4.3 : December 1999
D16-23
D0-7
D8-15
D24-31
CS1
CS2
CS3
CS4
OE
WE
A0-A16
128Kx8
SRAM
128Kx8
SRAM
128Kx8
SRAM
128Kx8
SRAM
D16~23
D0~7
D8~15
D24~31
CS1
CS2
CS3
CS4
OE
WE4
A0~A16
128Kx8
SRAM
128Kx8
SRAM
128Kx8
SRAM
128Kx8
SRAM
WE3
WE2
WE1
11403 West Bernado Court, Suite 100, San Diego, CA 92127.
Tel No: (001) 858 674 2233, Fax No: (001) 858 674 2230
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相關PDF資料 |
PDF描述 |
|---|---|
| PUMA67S4000MB-55 | FULL FEATURED USB HUB CONTROLLER(USB) |
| PUMA67S4000MB-70 | FULL FEATURED USB HUB CONTROLLER(USB) |
| PUMA67S4000MB-85 | AT43301 USB HUB EVALUATION KIT(USB) |
| PUMA68E4001-12 | x32 EEPROM Module |
| PUMA68E4001-12E | x32 EEPROM Module |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PUMA67S4000MB-55 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 SRAM Module |
| PUMA67S4000MB-70 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 SRAM Module |
| PUMA67S4000MB-85 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 SRAM Module |
| PUMA68E4001-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 EEPROM Module |
| PUMA68E4001-12E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 EEPROM Module |
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