853011BM IDT, Integrated Device Technology Inc, 853011BM Datasheet - Page 9

• Manufacturer Part Number: 853011BM
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 853011BM

• Number Of Outputs: 4
• Operating Supply Voltage (max): -3.8/3.8V
• Operating Temp Range: -40C to 85C
• Propagation Delay Time: 0.415ns
• Operating Supply Voltage (min): -2.375/2.375V
• Mounting: Surface Mount
• Pin Count: 8
• Operating Supply Voltage (typ): -2.5/-3.3/3.3V
• Package Type: SOIC
• Duty Cycle: 52%
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Not Compliant

IDT™ / ICS™ LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
ICS853011
LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER
T
The clock layout topology shown below is a typical termina-
tion for LVPECL outputs. The two different layouts mentioned
are recommended only as guidelines.
FOUT and nFOUT are low impedance follower outputs that
generate ECL/LVPECL compatible outputs. Therefore, ter-
minating resistors (DC current path to ground) or current
sources must be used for functionality. These outputs are
853011BM
RTT =
ERMINATION FOR
((V
F
FOUT
OH
IGURE
+ V
OL
Integrated
Circuit
Systems, Inc.
3A. LVPECL O
) / (V
1
3.3V LVPECL O
CC
Z
Z
– 2)) – 2
o
o
= 50
= 50
Z
o
50
UTPUT
D
T
IFFERENTIAL
ERMINATION
RTT
www.icst.com/products/hiperclocks.html
UTPUTS
50
V
CC
FIN
- 2V
-
TO
-2.5V/3.3V LVPECL/ECL F
9
9
designed to drive 50
ance techniques should be used to maximize operating
frequency and minimize signal distortion. Figures 3A and
3B show two different layouts which are recommended only
as guidelines. Other suitable clock layouts may exist and it
would be recommended that the board designers simulate
to guarantee compatibility across all printed circuit and clock
component process variations.
FOUT
F
IGURE
3B. LVPECL O
Z
Z
o
o
= 50
= 50
transmission lines. Matched imped-
125
84
UTPUT
L
OW
3.3V
T
125
84
ANOUT
S
ERMINATION
REV. C NOVEMBER 2, 2005
KEW
FIN
, 1-
B
UFFER
TO
ICS853011
-2
TSD