MPC9448AC Freescale Semiconductor, MPC9448AC Datasheet - Page 2

• Manufacturer Part Number: MPC9448AC
• Description: IC CLOCK FANOUT BUFF 1:12 32LQFP
• Manufacturer: Freescale Semiconductor
• Type: Fanout Buffer (Distribution), Multiplexerr

Specifications of MPC9448AC

• Number Of Circuits: 1
• Ratio - Input:output: 2:12
• Differential - Input:output: Yes/No
• Input: LVCMOS, LVPECL
• Output: LVCMOS
• Frequency - Max: 350MHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Frequency-max: 350MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MPC9448
CLK_STOP
1. OE=0 will high-impedance tristate all outputs independent on CLK_STOP.
Table 1. FUNCTION TABLE
Table 2. PIN CONFIGURATION
MOTOROLA
CLK_SEL
CLK_SEL
OE
CLK_STOP
PCLK, PCLK
CCLK
CLK_SEL
CLK_STOP
OE
Q0–11
GND
V CC
PCLK
PCLK
CCLK
Control
OE
Pin
V
V
V
CC
CC
CC
(all input resistors have a value of 25k
Figure 1. Logic Diagram
Default
V
1
1
1
CC
0
1
SYNC
PECL differential input selected
Outputs disabled (high-impedance state) 1
Outputs synchronously stopped in logic low state
Input
Input
Input
Input
Input
Output
Supply
Supply
I/O
STOP
CLK
LVPECL
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
Ground
V CC
W
)
Type
0
Clock signal input
Alternative clock signal input
Clock input select
Clock output enable/disable
Output enable/disable (high–impedance tristate)
Clock outputs
Negative power supply (GND)
Positive power supply for I/O and core. All V CC pins must be connected to
the positive power supply for correct operation
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
2
GND
GND
V
V
Q3
Q2
Q1
Q0
CC
CC
CCLK input selected
Outputs enabled
Outputs active
Figure 2. 32–Lead Package Pinout
25
26
27
28
29
30
31
32
1
24
2
23
Function
22
3
MPC9448
(Top View)
21
4
20
5
1
6
19
TIMING SOLUTIONS
18
7
17
8
16
15
14
13
12
10
11
9
GND
Q8
V
Q9
GND
Q10
V
Q11
CC
CC