參數(shù)資料
型號(hào)： LVT22V10BDA
英文描述： Fuse-Programmable PLD
中文描述： 保險(xiǎn)絲，可編程的PLD
文件頁(yè)數(shù)： 8/20頁(yè)
文件大?。?/td> 185K
代理商： LVT22V10BDA
Philips Semiconductors
Product specification
LVT22V10
3V high speed, universal PLD device
1998 Feb 10
8
Output Register Preload
The register on the LVT22V10 can be preloaded from the output
pins to facilitate functional testing of complex state machine designs.
This feature allows direct loading of arbitrary states, making it
unnecessary to cycle through long test vector sequences to reach a
desired state. In addition, transitions from illegal states can be
verified by loading illegal states and observing proper recovery. The
procedure for preloading follows:
1. Raise V
CC
to 3.3V
±
0.3V.
2. Set pin 2 or 3 to V
HH
to disable outputs and enable preload.
3. Apply the desired value (V
ILP
/V
IHP
) to all registered output pins.
Leave combinatorial output pins floating.
4. Clock Pin 1 from V
ILP
to V
IHP
.
5. Remove V
ILP
/V
IHP
from all registered output pins.
6. Lower pin 2 or 3 to V
ILP
.
7. Enable the output registers according to the programmed
pattern.
8. Verify V
OL
/V
OH
at all registered output pins. Note that the output
pin signal will depend on the output polarity.
PRELOAD SET-UP
LIMITS
SYMBOL
PARAMETER
MIN
REC
MAX
UNIT
V
HH
Super-level input voltage
9.5
9.5
10
V
V
ILP
Low-level input voltage
0
0
0.8
V
V
IHP
High-level input voltage
2.4
3.3
3.6
V
t
D
Delay time
100
200
1000
ns
t
I/O
I/O valid after Pin 2 or 3 drops from V
HH
to V
ILP
100
ns
t
D
V
HH
V
IHP
V
OH
V
OL
V
ILP
V
IHP
V
ILP
t
I/O
PINS 2, 3
REGISTERED
OUTPUTS
CLOCK
t
D
t
D
t
D
t
D
Output Register Preload Waveform
DATA IN
DATA OUT
V
ILP
SP00373
相關(guān)PDF資料
PDF描述
LVT22V10-BN Fuse-Programmable PLD
LVT22V10-DD Fuse-Programmable PLD
LVT22V10-DN Fuse-Programmable PLD
LW015F DC-to-DC Voltage Converter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LVT22V10-BN 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Fuse-Programmable PLD
LVT22V10-DD 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Fuse-Programmable PLD
LVT22V10-DN 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Fuse-Programmable PLD
LVT240AU LVTH244U WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
LVT244B 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
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