ISM92 Series
Revised B: 06/09 Page 2 of 6 www.ilsiamerica.com
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise.
*Not available at all frequencies. ** Not available for all temperature ranges. *** Frequency, supply, and load related parameters.
Dimension Units: mm
Low Jitter, Non-PLL Based Output
CMOS/TTL Compatible Logic Levels
Compatible with Leadfree Processing
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1.T3/E3
-MOS
‘0’ = 0.1 Vcc Max., ‘1’ = 0.9 Vcc Min.
‘0’ = 0.4 VDC Max., ‘1’ = 2.4 VDC Min.
Specify 50% ±10% or ±5% See Table in Part Number
Guide
5 nS Max. @ Vcc = +3.3 VDC, 10 nS Max.
@ Vcc = +5 VDC ***
Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL
See Table in Part Number Guide
See Frequency Stability Table (Includes room
temperature tolerance and
stability over operating
100 nS Max.
N.C. or ≥ 70% Vdd = Enable. ≤ 30% Vdd = Disable.
See Input Voltage Table, tolerance ±5 %
See Operating Temperature Table in Part Number Guide
Jitter: RMS(1sigma)
1 MHz
-75 MHz
-125 MHz
5 pS RMS (1 sigma) Max. accumulated jitter (20K
adjacent periods)
3 pS RMS (1 sigma) Max. accumulated jitter (20K
adjacent periods)
-75 MHz
S RMS (1 sigma -12KHz to 20MHz)
1 pS RMS (1 sigma -12KHz to 20MHz)
-75 MHz
pS p-p (100K adjacent periods)
30 pS p-p (100K adjacent periods)
Part Number Guide Sample Part Number: ISM91 - 3251BH - 20.000
ISM92
- 20.000MHz
5 = 50 pF HC-MOS (<40 MHz)
7 = 3.0 V 3 = -20° C to +70° C
6 = 30 pF **F = ±20