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參數(shù)資料
型號(hào): IDT74FCT257DTSOG8
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 5/6頁(yè)
文件大小: 0K
描述: IC MUX QUAD 2INPUT 3ST 16-SOIC
標(biāo)準(zhǔn)包裝: 1,000
系列: 74FCT
類(lèi)型: 多路復(fù)用器
電路: 1 x 4:1
獨(dú)立電路: 1
輸出電流高,低: 15mA,48mA
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
其它名稱(chēng): 74FCT257DTSOG8
INDUSTRIALTEMPERATURERANGE
IDT74FCT257AT/CT/DT
FASTCMOSQUAD2-INPUTMULTIPLEXER
5
Pulse
Generator
R T
D.U.T
.
V CC
VIN
C L
VOUT
50pF
500W
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
tSU
tH
tREM
tSU
tH
HIGH-LOW-HIGH
PULSE
LOW-HIGH-LOW
PULSE
tW
1.5V
SAME PHASE
INPUT TRANSITION
3V
1.5V
0V
1.5V
VOH
tPLH
OUTPUT
OPPOSITE PHASE
INPUT TRANSITION
3V
1.5V
0V
tPLH
tPHL
VOL
CONTROL
INPUT
3V
1.5V
0V
3.5V
0V
OUTPUT
NORMALLY
LOW
OUTPUT
NORMALLY
HIGH
SWITCH
CLOSED
SWITCH
OPEN
VOL
0.3V
tPLZ
tPZL
tPZH
tPHZ
3.5V
0V
1.5V
ENABLE
DISABLE
VOH
PRESET
CLEAR
CLOCK ENABLE
ETC.
Octal Link
TEST CIRCUITS AND WAVEFORMS
Propagation Delay
Test Circuits for All Outputs
Enable and Disable Times
Set-Up, Hold, and Release Times
Pulse Width
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
2. Pulse Generator for All Pulses: Rate
≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns.
Test
Switch
Open Drain
Disable Low
Closed
Enable Low
All Other Tests
Open
SWITCH POSITION
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
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