nb2304a ON Semiconductor, nb2304a Datasheet - Page 2

• Manufacturer Part Number: nb2304a
• Description: 3.3 V Zero Delay Clock Buffer
• Manufacturer: ON Semiconductor

Table 1. CONFIGURATIONS
NB2304Ax1
NB2304Ax1H
NB2304Ax2
NB2304Ax2
CLKA1
CLKA2
GND
REF
REF
Device
Figure 2. Pin Configuration
1
2
3
4
NB2304A
(x = I for Industrial)
Bank A or Bank B
Bank A or Bank B
Bank A
Bank B
(see Figures 11 and 12 for device specific Block Diagrams)
Feedback From
8
7
6
5
Figure 1. Basic Block Diagram
FBK
V
CLKB2
CLKB1
DD
PLL
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NB2304A
2
Reference
Reference
Reference
2 X Reference
Table 2. PIN DESCRIPTION
Pin #
1. Weak pulldown.
2. Weak pulldown on all outputs.
Bank A Frequency
1
2
3
4
5
6
7
8
CLKA1 (Note 2)
CLKA2 (Note 2)
CLKB1 (Note 2)
CLKB2 (Note 2)
B2
REF (Note 1)
Pin Name
GND
V
FBK
DD
Extra Divider (-2)
Input reference frequency, 5 V
tolerant input.
Buffered clock output, Bank A.
Buffered clock output, Bank A.
Ground.
Buffered clock output, Bank B.
Buffered clock output, Bank B.
3.3 V supply.
PLL feedback input.
Reference
Reference
Reference B2
Reference
Bank B Frequency
Description
FBK
CLKA1
CLKA2
CLKB1
CLKB2