MPC9448AC Integrated Device Technology (Idt), MPC9448AC Datasheet - Page 2

• Manufacturer Part Number: MPC9448AC
• Description: Clock Driver 2-IN LVCMOS 32-Pin TQFP Tray
• Manufacturer: Integrated Device Technology (Idt)

Specifications of MPC9448AC

• Package: 32TQFP
• Configuration: 1 x 2:1
• Input Signal Type: LVCMOS/LVPECL
• Maximum Output Frequency: 350 MHz
• Maximum Quiescent Current: 2 mA
• Operating Supply Voltage: 2.5|3.3 V

IDT™ / ICS™ LVCMOS 1:12 CLOCK FANOUT BUFFER
MPC9448
3.3V/2.5V LVCMOS 1:12 CLOCK FANOUT BUFFER
Table 1. Function Table
Table 2. Pin Configurations
CLK_SEL
OE
CLK_STOP
PCLK, PCLK
CCLK
CLK_SEL
CLK_STOP
OE
Q0–11
GND
V
1. OE = 0 will high-impedance tristate all outputs independent on CLK_STOP.
CLK_STOP
CC
CLK_SEL
CCLK
PCLK
PCLK
Control
OE
Pin
V
V
V
CC
CC
CC
(All input resistors have a value of 25 kΩ)
Figure 1. Logic Diagram
Input
Input
Input
Input
Input
Output
Supply
Supply
V
CC
0
1
SYNC
Default
1
1
1
I/O
Stop
CLK
PECL differential input selected
Outputs disabled (high-impedance state)
Outputs synchronously stopped in logic low state
LVPECL
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
Ground
V
CC
Type
Q9
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q10
Q11
2
GND
GND
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
connected to the positive power supply for correct operation
V
V
Q3
Q2
Q1
Q0
CC
CC
0
Figure 2. 32-Lead Pinout (Top View)
25
26
27
28
29
30
31
32
24
1
(1)
23
2
22
3
MPC9448
Function
21
4
CCLK input selected
Outputs enabled
Outputs active
20
5
MPC9448
19
6
CC
18
7
pins must be
1
17
8
REV 6 JULY 11, 2006
16
15
14
13
12
11
10
9
GND
Q8
V
Q9
GND
Q10
V
Q11
CC
CC