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参数资料
| 型号： | 1645-FREQ-OUT3-STBY2 |
| 厂商： | NIHON DEMPA KOGYO CO LTD |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 55 MHz - 70 MHz, TTL OUTPUT |
| 文件页数： | 1/1页 |
| 文件大小： | 14K |
| 代理商： | 1645-FREQ-OUT3-STBY2 |
s Features
8 Directly drives the TTL IC.
8 Compact and light weight : height 4.7mm, volume 0.4j, weight 1.5g.
8 High reliability.
(metal hermetic sealed crystal unit is inhoused)
8 Applicable for reflow automatic mounting processes.
8 Frequency range : 26MHz to 70MHz.
8 Stand-by function for output : Tri-state output.
8 Static electricity proof package : tape & reel.
Note : The values of Current Consumption, Tr/Tf, Duty Cycle show the standard value under CL=15pF.
76
CRYSTAL CLOCK
OSCILLATORS
1640 SERIES
Frequency Range
(MHz)
Frequency Stability
(
×10–6)
Operating Temp. Range
(°C)
Supply Voltage (VDD)
(V)
Current Consumption
(mA)
+5VDC, 25°C
VOL max/VOH min
(V)
Tr max/Tf max
(ns)
Duty Cycle
(%)
Fanout (gate)
TTL
GATE
Stand-by Function
Tri-state
26~30
30~34
34~42
42~55
55~70
±50, ±100
–20~+70
+5±10%
18 (TYP)
20 (TYP)
25 (TYP)
30 (TYP)
25 (max)
30 (max)
35 (max)
45 (max)
0.4/2.4 IOL=16mA IOH=-13mA
5/5 (0.4V~2.4V)
40~60 (at +1.4V)
10
Yes
s Absolute Maximum Rating
Supply Voltage (VDD) –0.5~+7.0V DC
Storage Temperature Range –55~+125°C
s 1640 Series Outline
14.00max
#4
#3
9.80max
8.75
#1
#2
5.08
4.10
4.70max
±0.25
0.51
7.62
±0.20
s Output Wave <TTL>
s Stand-by Function <Tri-state>
Tr
Tf
VOL
0.4V
1.4V
t
T
VOH
2.4V
Duty Cycle = t/T
×100 [%]
0V
# 1
STAND-BY
# 2
GND
# 3
OUTPUT
# 4
VDD
PIN
Connection
# 1 pin input
# 3 pin output
H level (+2.2 Vmin)
or open
L level (+0.8 Vmax)
Operating
High impedance
Item
Model
1641
1642
1643
1644
1645
(mm)
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