XPC850ZT50B Freescale Semiconductor, XPC850ZT50B Datasheet - Page 18

• Manufacturer Part Number: XPC850ZT50B
• Manufacturer: Freescale Semiconductor

Specifications of XPC850ZT50B

• Family Name: MPC8xx
• Device Core: PowerQUICC
• Device Core Size: 32b
• Frequency (max): 50MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Operating Supply Voltage (min): 3.135V
• Operating Temp Range: 0C to 95C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: BGA
• Lead Free Status / Rohs Status: Not Compliant

Layout Practices
18
B34a A[6–31] and D[0–31] to CS valid
B34b A[6–31] and D[0–31] to CS valid
B35a A[6–31] and D[0–31] to BS valid
B35b A[6–31] and D[0–31] to BS valid
Num
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
A[6–31] and D[0–31] to CS valid
- as requested by control bit
CST4 in the corresponding word
in the UPM
- as requested by control bit
CST1 in the corresponding word
in the UPM
- as requested by CST2 in the
corresponding word in UPM
A[6–31] to CS valid - as
requested by control bit BST4 in
the corresponding word in UPM
- as requested by BST1 in the
corresponding word in the UPM
- as requested by control bit
BST2 in the corresponding word
in the UPM
A[6–31] and D[0–31] to GPL
valid - as requested by control
bit GxT4 in the corresponding
word in the UPM
UPWAIT valid to CLKOUT falling
edge
CLKOUT falling edge to
UPWAIT valid
AS valid to CLKOUT rising edge
A[6–31], TSIZ[0–1], RD/WR,
BURST, valid to CLKOUT rising
edge.
TS valid to CLKOUT rising edge
(setup time)
CLKOUT rising edge to TS valid
(hold time)
AS negation to memory
controller signals negation
11
10
Characteristic
10
Table 6-6. Bus Operation Timing
Freescale Semiconductor, Inc.
MPC850 (Rev. A/B/C) Hardware Specifications
For More Information On This Product,
13.00
13.00
3.00
8.00
3.00
8.00
3.00
6.00
1.00
7.00
7.00
7.00
2.00
Min
Go to: www.freescale.com
—
50 MHz
Max
TBD
—
—
—
—
—
—
—
—
—
—
—
—
—
13.00
21.00
13.00
21.00
6.00
6.00
6.00
6.00
1.00
7.00
7.00
7.00
2.00
Min
—
66 MHz
TBD
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
1
11.00
17.00
11.00
17.00
TBD
4.00
4.00
4.00
6.00
1.00
7.00
7.00
7.00
2.00
Min
80 MHz
(continued)
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
FFACT
0.250
0.500
0.750
0.250
0.500
0.750
0.250
—
—
—
—
—
—
—
Cap Load
(default
50 pF)
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
MOTOROLA
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns