參數(shù)資料
型號(hào)： IDT74FCT257TD
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 通用總線功能
英文描述： FAST CMOS QUAD 2-INPUT MULTIPLEXER
中文描述： FCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16
封裝： CERDIP-16
文件頁(yè)數(shù)： 6/7頁(yè)
文件大?。?/td> 73K
代理商： IDT74FCT257TD
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
6
IDT54/74FCT257T/AT/CT/DT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
Pulse
Generator
R
T
D.U.T
.
V
CC
V
IN
C
L
V
OUT
50pF
500
500
7.0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
DATA
INPUT
TIMING
INPUT
ASYNCHRONOUS CONTROL
PRESET
CLEAR
ETC.
SYNCHRONOUS CONTROL
PRESET
CLEAR
CLOCK ENABLE
t
SU
t
H
t
REM
t
SU
t
H
HIGH-LOW-HIGH
PULSE
LOW-HIGH-LOW
PULSE
t
W
1.5V
1.5V
SAME PHASE
INPUT TRANSITION
3V
1.5V
0V
V
OH
1.5V
V
OL
t
PLH
OUTPUT
OPPOSITE PHASE
INPUT TRANSITION
3V
1.5V
0V
t
PLH
t
PHL
t
PHL
CONTROL
INPUT
3V
1.5V
0V
3.5V
0V
OUTPUT
NORMALLY
LOW
OUTPUT
NORMALLY
HIGH
SWITCH
CLOSED
t
PZH
SWITCH
OPEN
V
OL
0.3V
0.3V
t
PLZ
t
PZL
t
PHZ
3.5V
1.5V
0V
1.5V
ENABLE
DISABLE
V
OH
ETC.
Octal link
Octal link
Octal link
Octal link
Octal link
TEST CIRCUITS AND WAV EFORMS
Propagation Delay
Test Circuits for All Outputs
Enable and Disable Times
Set-Up, Hold, and Release Times
Pulse Width
NOTES:
1. Diagramshown for input Control Enable-LOW and input Control Disable-HIGH.
2. Pulse Generator for All Pulses: Rate
≤
1.0MHz; t
F
≤
2.5ns; t
R
≤
2.5ns.
Test
Switch
Open Drain
Disable Low
Enable Low
All Other Tests
Closed
Open
SWITCH POSITION
DEFINITIONS:
C
L
= Load capacitance: includes jig and probe capacitance.
R
T
= Termnation resistance: should be equal to Z
OUT
of the Pulse Generator.
相關(guān)PDF資料
PDF描述
IDT74FCT257ATDQB CONNECTOR ACCESSORY
IDT74FCT257TDB FAST CMOS QUAD 2-INPUT MULTIPLEXER
IDT74FCT257ATDSOB FAST CMOS QUAD 2-INPUT MULTIPLEXER
IDT74FCT257ATL FAST CMOS QUAD 2-INPUT MULTIPLEXER
IDT74FCT257ATLB FAST CMOS QUAD 2-INPUT MULTIPLEXER
相關(guān)代理商/技術(shù)參數(shù)
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