參數(shù)資料
型號: 49FCT805
廠商: Integrated Device Technology, Inc.
元件分類: 熱敏電阻
英文描述: THERMISTOR, NTC; Series:B578; Thermistor type:NTC; Resistance:30kR; Tolerance, resistance:+/-1%; Beta value:3964; Temperature, lower limit, beta value:25(degree C); Temperature, upper limit, beta value:100(degree C); Temp, op. RoHS Compliant: Yes
中文描述: 快速CMOS緩沖器/時鐘驅(qū)動器
文件頁數(shù): 6/7頁
文件大?。?/td> 126K
代理商: 49FCT805
IDT49FCT805/806/A
FAST CMOS BUFFER/CLOCK DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
9.1
6
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
Pulse
Generator
R T
D.U.T.
VCC
VIN
C L
V OUT
50pF
500
500
7.0V
ENABLE AND DISABLE TIME
SWITCH POSITION
Test
Switch
Disable LOW
Enable LOW
Closed
Disable HIGH
Enable HIGH
Open
2574 lnk 11
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
Generator.
2574 drw 07
PACKAGE SKEW - tSK(t)
PULSE SKEW - tSK(p)
tPLH1
OUTPUT 1
OUTPUT 2
tSK(o)
tPLH2
3V
0V
VOH
1.5V
VOL
VOH
1.5V
VOL
INPUT
tPHL1
tPHL2
tSK(o)
tSK(o) = |tPLH2 - tPLH1| or |tPHL2 - tPHL1|
CONTROL
INPUT
OUTPUT
NORMALLY
LOW
OUTPUT
NORMALLY
HIGH
3V
1.5V
0V
3.5V
0V
SWITCH
CLOSED
SWITCH
OPEN
VOL
VOH
0.3V
t PLZ
t PZL
t PZH
t PHZ
3.5V
0V
1.5V
ENABLE
DISABLE
3V
0V
VOH
tPLH
tPHL
VOL
1.5V
tR
tF
2.0V
0.8V
INPUT
OUTPUT
INPUT
tPLH1
PACKAGE 1 OUTPUT
PACKAGE 2 OUTPUT
tSK(t)
tPLH2
3V
0V
VOH
1.5V
VOL
VOH
1.5V
VOL
tPHL1
tPHL2
tSK(t)
tSK(t) = |tPLH2 - tPLH1| or |tPHL2 - tPHL1|
tPLH
tPHL
3V
0V
VOH
1.5V
VOL
tSK(p) = |tPHL - tPLH|
INPUT
OUTPUT
Package 1 and Package 2 are same device type and speed grade
2574 drw 09
2574 drw 08
2574 drw 10
2574 drw 11
PACKAGE DELAY
OUTPUT SKEW - tSK(o)
ENABLE AND DISABLE TIMES
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control
Disable-HIGH
2. Pulse Generator for All Pulses: f
≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns
2574 drw 12
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49FCT805APYGPYGBLANK 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS BUFFER/CLOCK DRIVER