performance. The ICS840-275 is packaged in a small 8-pin SOIC,
making it ideal for use in systems with limited board space.
F
EATURES
•
Two LVCMOS/LVTTL output, 15Ω output impedence
•
Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
•
Output frequency: 75MHz
•
Random jitter: 3ps (typical)
•
Deterministic jitter: 0.2ps (typical)
•
3.3V operating supply
•
0°C to 70°C ambient operating temperature
•
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
IC
S
B
LOCK
D
IAGRAM
OE
Pullup
P
IN
A
SSIGNMENT
V
DD
XTAL_OUT
XTAL_IN
OE
1
2
3
4
8
7
6
5
Q1
Q0
V
DDO
GND
25MHz
75MHz
Q0
XTAL_IN
Clock
Synthesizer
XTAL_OUT
Q1
ICS840-275
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
IDT
™
/ ICS
™
LVCMOS OSCILLATOR REPLACEMENT
1
ICS840AM-275 REV A OCTOBER 3, 2006
ICS840-275
75MHZ, LVCMOS/LVTTL OSCILLATOR REPLACEMENT
PRELIMINARY
T
ABLE
1. P
IN
D
ESCRIPTIONS
Number
1
2, 3
4
5
6
Name
V
DD
XTAL_OUT,
XTAL_IN
OE
GND
V
DDO
Power
Input
Input
Power
Power
Pullup
Type
Description
Power supply pin.
Cr ystal oscillator interface. XTAL_IN is the input,
XTAL_OUT is the output.
Output enable pin. When HIGH, Qx outputs are enabled. When LOW,
forces Qx outputs to HiZ state. LVCMOS/LVTTL interface levels.
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