ICS8305 Data Sheet LOW SKEW, 1-TO-4 MULTIPLEXED DIFFERENTIAL/LVCMOS-TO-LVCMOS/LVTTL FANOUT BUFFER
ICS8305AG REVISION C
MAY 30, 2014 13 ©2014 Integrated Device Technology, Inc.
Schematic Example
This application note provides general design guide using ICS8305
LVCMOS buffer. Figure 4 shows a schematic example of the
ICS8305 LVCMOS clock buffer. In this example, the input is driven by
an LVCMOS driver. CLK_EN is set at logic low to select
LVCMOS_CLK input.
Figure 4. ICS8305 LVCMOS Clock Output Buffer Schematic Example
LVCMOS Receiver
R1
43
VDD
R5
1K
LVCMOS Receiver
VDD=3.3V
VDD
R4
1K
Zo = 50
(U1,11)
Ro ~ 7 Ohm
3,.3V LVCMOS (U1,15)(U1,3)
VDD
R3 43
R2
43
C2
0.1u
U1
ICS8305
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
GND
OE
VDD
CLK_EN
CLK
nCLK
CLK_SEL
LVCMOS_CLK GND
Q3
VDDO
Q2
GND
Q1
VDDO
Q0
Zo = 50
VDD
Zo = 50
C1
0.1u
R6
1K
C3
0.1u
ICS8305 Data Sheet LOW SKEW, 1-TO-4 MULTIPLEXED DIFFERENTIAL/LVCMOS-TO-LVCMOS/LVTTL FANOUT BUFFER
ICS8305AG REVISION C
MAY 30, 2014 14 ©2014 Integrated Device Technology, Inc.
Reliability Information
Table 6.
JA
vs. Air Flow Table for a 16 Lead TSSOP
NOTE: Most modern PCB design use multi-layered boards. The data in the second row pertains to most designs.
Transistor Count
The transistor count for ICS8305: 459
Package Outline and Package Dimensions
Package Outline - G Suffix for 16 Lead TSSOP Table 7. Package Dimensions for 16 Lead TSSOP
Reference Document: JEDEC Publication 95, MO-153
JA
vs. Air Flow
Linear Feet per Minute 0200500
Single-Layer PCB, JEDEC Standard Test Boards 137.1°C/W 118.2°C/W 106.8°C/W
Multi-Layer PCB, JEDEC Standard Test Boards 89.0°C/W 81.8°C/W 78.1°C/W
All Dimensions in Millimeters
Symbol Minimum Maximum
N 16
A 1.20
A1 0.5 0.15
A2 0.80 1.05
b 0.19 0.30
c 0.09 0.20
D 4.90 5.10
E 6.40 Basic
E1 4.30 4.50
e 0.65 Basic
L 0.45 0.75
aaa 0.10
ICS8305 Data Sheet LOW SKEW, 1-TO-4 MULTIPLEXED DIFFERENTIAL/LVCMOS-TO-LVCMOS/LVTTL FANOUT BUFFER
ICS8305AG REVISION C
MAY 30, 2014 15 ©2014 Integrated Device Technology, Inc.
Ordering Information
Table 8. Ordering Information
Part/Order Number Marking Package Shipping Packaging Temperature
8305AGLF 8305AGLF “Lead-Free” 16 Lead TSSOP Tube 0C to 70C
8305AGLFT 8305AGLF “Lead-Free” 16 Lead TSSOP Tape & Reel 0C to 70C

8305AGLFT

Mfr. #:
Manufacturer:
IDT
Description:
Clock Drivers & Distribution 1:4 Multiplex Diff/L VCMOS to LVCMOS/LVTT
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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