参数资料
| 型号： | ATF16V8CZ-15SI |
| 厂商： | Atmel |
| 文件页数： | 24/26页 |
| 文件大小： | 0K |
| 描述： | IC PLD EE 15NS 20-SOIC |
| 标准包装： | 37 |
| 系列： | 16V8 |
| 可编程类型： | EE PLD |
| 宏单元数： | 8 |
| 输入电压： | 5V |
| 速度： | 15ns |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 包装： | 管件 |
| 其它名称： | ATF16V8CZ15SI |
7
0453H–PLD–7/05
ATF16V8CZ
4.5
Power-up Reset
The ATF16V8CZ’s registers are designed to reset during power-up. At a point delayed slightly
from V
CC crossing VRST, all registers will be reset to the low state. As a result, the registered out-
put state will always be high on power-up.
This feature is critical for state machine initialization. However, due to the asynchronous nature
of reset and the uncertainty of how V
CC actually rises in the system, the following conditions are
required:
1.
The V
CC rise must be monotonic, from below 0.7V,
2.
After reset occurs, all input and feedback setup times must be met before driving the
clock term high, and
3.
The signals from which the clock is derived must remain stable during t
PR.
4.6
Preload of Registered Outputs
The ATF16V8CZ’s registers are provided with circuitry to allow loading of each register with
either a high or a low. This feature will simplify testing since any state can be forced into the reg-
isters to control test sequencing. A JEDEC file with preload is generated when a source file with
vectors is compiled. Once downloaded, the JEDEC file preload sequence will be done automati-
cally by approved programmers.
5.
Security Fuse Usage
A single fuse is provided to prevent unauthorized copying of the ATF16V8CZ fuse patterns.
Once programmed, fuse verify and preload are inhibited. However, the 64-bit User Signature
remains accessible.
The security fuse should be programmed last, as its effect is immediate.
Parameter
Description
Typ
Max
Units
tPR
Power-up Reset Time
600
1,000
ns
V
RST
Power-up Reset Voltage
3.8
4.5
V
相关PDF资料 |
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|---|---|
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| ATF16V8CZ-15SU | 功能描述:SPLD - 简单可编程逻辑器件 15 ns 8 I/O Pins 8 macorcells 8 reg RoHS:否 制造商:Texas Instruments 逻辑系列:TICPAL22V10Z 大电池数量:10 最大工作频率:66 MHz 延迟时间:25 ns 工作电源电压:4.75 V to 5.25 V 电源电流:100 uA 最大工作温度:+ 75 C 最小工作温度:0 C 安装风格:Through Hole 封装 / 箱体:DIP-24 |
| ATF16V8CZ-15XC | 功能描述:SPLD - 简单可编程逻辑器件 EEPLD 250 GATE ZERO PWR 5V 15NS COM TEMP RoHS:否 制造商:Texas Instruments 逻辑系列:TICPAL22V10Z 大电池数量:10 最大工作频率:66 MHz 延迟时间:25 ns 工作电源电压:4.75 V to 5.25 V 电源电流:100 uA 最大工作温度:+ 75 C 最小工作温度:0 C 安装风格:Through Hole 封装 / 箱体:DIP-24 |
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| ATF16V8CZ-15XU | 功能描述:SPLD - 简单可编程逻辑器件 EEPLD 250 GATE ZERO PWR 5V 15NS COM TEMP RoHS:否 制造商:Texas Instruments 逻辑系列:TICPAL22V10Z 大电池数量:10 最大工作频率:66 MHz 延迟时间:25 ns 工作电源电压:4.75 V to 5.25 V 电源电流:100 uA 最大工作温度:+ 75 C 最小工作温度:0 C 安装风格:Through Hole 封装 / 箱体:DIP-24 |
| ATF20135 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:TRANSISTOR | JFET | N-CHANNEL | SOT-173VAR |
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