Datasheet > ATF22V10B

ATF22V10B

更新时间： 2024-01-14 07:37:02

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
14页	886K
描述
High- Performance EE PLD

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技术参数
数据手册

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ATF22V10B 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.34
Base Number Matches：	1

ATF22V10B 数据手册

ATF22V10B

Input Test Waveforms and

Measurement Levels

Outout Test Loads

Commercial

Military

t_R, t_F< 3 ns

* All except -7 which is R2 = 300Ω

Pin Capacitance

f = 1 MHz, T = 25°C⁽¹⁾

Typ

Max

Units

Conditions

C_IN

V_IN= 0V

C_OUT

V_OUT= 0V

Note:

1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.

Power Up Reset

The registers in the ATF22V10Bs are designed to reset

during power up. At a point delayed slightly from V_CC

crossing V_RST, all registers will be reset to the low state.

The output state will depend on the polarity of the output

buffer.

This feature is critical for state machine initialization. How-

ever, due to the asynchronous nature of reset and the

uncertainty of how V_CCactually rises in the system, the fol-

lowing conditions are required:

1. The V_CCrise must be monotonic,

2. After reset occurs, all input and feedback setup times

must be met before driving the clock pin high, and

Parameter

Description

Typ

Max

Units

Power-Up

Reset Time

t_PR

600

1,000

3. The clock must remain stable during t_PR

Power-Up

Reset

Preload of Registered Outputs

V_RST

3.8

4.5

The ATF22V10B’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 registers 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 automatically by most of the

approved programmers after the programming.

Voltage

Security Fuse Usage

A single fuse is provided to prevent unauthorized copying

of the ATF22V10B 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.

1 2 3 456 7 8...14

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