134
CRYSTAL
OSCILLATORS
24.576 25.92 27 32.768 38.88
+5VDC±5%
N-TTL2 15pF
0~+70°C
25mA max/<35MHz 35mA max/
>
=
35MHz
±30×10 max/0~+70˚C
±3×10 max/+5V±5%
±5×10 max/year
TTL C-MOS
40~60% (+1.4V) 40~60% (1/2VDD)
±100×10 min/+2.5±2.0V
Positive
21D
Nominal Frequency
Range (MHz)
Supply Voltage
Load
Operating Temp. Range
Current Consumption
Frequency Stability
Supply Volt Change
Aging
Output Level
Duty Cycle
AFC Charact.
Polarity
Case Code
VOLTAGE CONTROLLED CRYSTAL OSCILLATORS 7100 SERIES
■Model 7121D ■Main applications : ISDN
■Features 8Dip14pin IC compatible
8AFC charact : ±100×10–6 min/+2.5±2.0V
8Directly drives both TTL/C-MOS IC
8Hermetically sealed package
■Specification
11max
13max
19max
21max
7.24max
6.35 ±0.5
4 – ø0.45 ±0.1
0.8 ±0.3
V.C.
+ DC 11.50 ±1.5
15.24 ±0.3
OUTPUT
GND
5.00 ±1.0
7.62 ±1.0
■Dimensions
21D (mm)
Model 7121D
Item
Spec. Code
AVR71 AVR81
