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參數(shù)資料
| 型號： | M4-256/128-18AI |
| 廠商： | LATTICE SEMICONDUCTOR CORP |
| 元件分類： | PLD |
| 英文描述： | High Performance E 2 CMOS In-System Programmable Logic |
| 中文描述： | EE PLD, 18 ns, PBGA256 |
| 封裝： | BGA-256 |
| 文件頁數(shù)： | 14/46頁 |
| 文件大?。?/td> | 773K |
| 代理商： | M4-256/128-18AI |
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MACH 4 Family
21
POWER MANAGEMENT
Each individual PAL block in MACH 4 devices features a programmable low-power mode, which
results in power savings of up to 50%. The signal speed paths in the low-power PAL block will
be slower than those in the non-low-power PAL block. This feature allows speed critical paths
to run at maximum frequency while the rest of the signal paths operate in the low-power mode.
PROGRAMMABLE SLEW RATE
Each MACH 4 device I/O has an individually programmable output slew rate control bit. Each
output can be individually congured for the higher speed transition (3 V/ns) or for the lower
noise transition (1 V/ns). For high-speed designs with long, unterminated traces, the slow-slew
rate will introduce fewer reections, less noise, and keep ground bounce to a minimum. For
designs with short traces or well terminated lines, the fast slew rate can be used to achieve the
highest speed. The slew rate is adjusted independent of power.
POWER-UP RESET/SET
All ip-ops power up to a known state for predictable system initialization. If a macrocell is
congured to SET on a signal from the control generator, then that macrocell will be SET during
device power-up. If a macrocell is congured to RESET on a signal from the control generator
or is not congured for set/reset, then that macrocell will RESET on power-up. To guarantee
initialization values, the VCC rise must be monotonic, and the clock must be inactive until the
reset delay time has elapsed.
SECURITY BIT
A programmable security bit is provided on the MACH 4 devices as a deterrent to unauthorized
copying of the array conguration patterns. Once programmed, this bit defeats readback of the
programmed pattern by a device programmer, securing proprietary designs from competitors.
Programming and verication are also defeated by the security bit. The bit can only be reset by
erasing the entire device.
相關PDF資料 |
PDF描述 |
|---|---|
| M4-256/128-7AC | High Performance E 2 CMOS In-System Programmable Logic |
| M40-3011646R | 16 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT |
| M40-3011746R | 17 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT |
| M40-3011846R | 18 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT |
| M40-3011946R | 19 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M4256-WHITE-1000 | 制造商:Alpha Wire 功能描述: |
| M4258 WH001 | 功能描述:同軸電纜 30AWG 1C SHIELD 1000ft SPOOL WHT RoHS:否 制造商:Murata RG 類型: 阻抗:50 Ohms 線規(guī) - 美國線規(guī)（AWG）: 導體材料: 絞合: 長度:300 mm 外殼材料: 外徑: 屏蔽: |
| M4258 WH002 | 功能描述:同軸電纜 30AWG 1C SHIELD 500ft SPOOL WHT RoHS:否 制造商:Murata RG 類型: 阻抗:50 Ohms 線規(guī) - 美國線規(guī)（AWG）: 導體材料: 絞合: 長度:300 mm 外殼材料: 外徑: 屏蔽: |
| M4258 WH005 | 功能描述:同軸電纜 30AWG 1C SHIELD 100ft SPOOL WHT RoHS:否 制造商:Murata RG 類型: 阻抗:50 Ohms 線規(guī) - 美國線規(guī)（AWG）: 導體材料: 絞合: 長度:300 mm 外殼材料: 外徑: 屏蔽: |
| M4258-WH001 | 制造商:Alpha Wire 功能描述: |
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