MPC972FA Freescale Semiconductor, MPC972FA Datasheet - Page 2

• Manufacturer Part Number: MPC972FA
• Description: IC PLL CLOCK DRIVER 52-LQFP
• Manufacturer: Freescale Semiconductor
• Type: Clock Driver, Fanout Distribution, Multiplexerr

Specifications of MPC972FA

• Pll: Yes with Bypass
• Input: LVCMOS, LVTTL
• Output: LVCMOS
• Number Of Circuits: 1
• Ratio - Input:output: 4:12
• Differential - Input:output: No/No
• Frequency - Max: 125MHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 52-LQFP
• Frequency-max: 125MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

*If the fselFB2 is 1, it may be necessary to apply a reset after power up
FUNCTION TABLE 2
MPC972
to ensure synchronization between QFB and the other inputs.
2
*fselFB2
0
0
0
0
1
1
1
1
FUNCTION TABLE 1
fsela1
0
0
1
1
fselFB1
0
0
1
1
0
0
1
1
fsela0
0
1
0
1
fselFB0
0
1
0
1
0
1
0
1
÷12
Qa
÷4
÷6
÷8
Figure 1. 52–Lead Pinout (Top View)
fselb1
QFB
÷10
÷12
÷16
÷20
0
0
1
1
÷4
÷6
÷8
÷8
MPC972
fselb0
0
1
0
1
FUNCTION TABLE 3
Control Pin
TCLK_Sel
VCO_Sel
Ref_Sel
PLL_En
Inv_Clk
MR/OE
÷10
Qb
÷4
÷6
÷8
Master Reset/Output Hi–Z
Non–Inverted Qc2, Qc3
fselc1
0
0
1
1
Bypass PLL
Logic ‘0’
TCLK0
VCO/2
TCLK
fselc0
0
1
0
1
Qc
÷2
÷4
÷6
÷8
Inverted Qc2, Qc3
Enable Outputs
MOTOROLA
Xtal (PECL)
Enable PLL
Logic ‘1’
TCLK1
VCO