XPC850ZT50B Freescale Semiconductor, XPC850ZT50B Datasheet - Page 14

• 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
14
B22a CLKOUT falling edge to CS
B22b CLKOUT falling edge to CS
B24a A[6–31] to CS asserted GPCM
B27a A[6–31] to CS asserted GPCM
B28a CLKOUT falling edge to
Num
B22c CLKOUT falling edge to CS
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
CLKOUT rising edge to D[0–31],
DP[0–3] valid (hold time)
D[0–31], DP[0–3] valid to
CLKOUT falling edge (setup
time)
CLKOUT falling edge to
D[0–31], DP[0–3] valid (hold
time)
CLKOUT rising edge to CS
asserted GPCM ACS = 00
asserted GPCM ACS = 10,
TRLX = 0,1
asserted GPCM ACS = 11,
TRLX = 0, EBDF = 0
asserted GPCM ACS = 11,
TRLX = 0, EBDF = 1
CLKOUT rising edge to CS
negated GPCM read access,
GPCM write access ACS = 00,
TRLX = 0 & CSNT = 0
A[6–31] to CS asserted GPCM
ACS = 10, TRLX = 0.
ACS = 11, TRLX = 0
CLKOUT rising edge to OE,
WE[0–3] asserted
CLKOUT rising edge to OE
negated
A[6–31] to CS asserted GPCM
ACS = 10, TRLX = 1
ACS = 11, TRLX = 1
CLKOUT rising edge to WE[0–3]
negated GPCM write access
CSNT = 0
WE[0–3] negated GPCM write
access TRLX = 0,1 CSNT = 1,
EBDF = 0
8
8
Characteristic
Table 6-6. Bus Operation Timing
Freescale Semiconductor, Inc.
MPC850 (Rev. A/B/C) Hardware Specifications
For More Information On This Product,
7
23.00
28.00
1.00
4.00
2.00
5.00
5.00
7.00
2.00
3.00
8.00
2.00
5.00
Min
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—
—
—
50 MHz
11.75
11.75
14.00 11.00 18.00
12.00
Max
8.00
8.00
9.00
9.00
9.00
—
—
—
—
—
—
—
13.00
36.00
43.00
1.00
4.00
2.00
7.58
7.58
2.00
6.00
2.00
8.00
Min
—
—
—
66 MHz
14.33
14.33
14.00
Max
8.00
8.00
9.00
9.00
9.00
—
—
—
—
—
—
—
1
11.00
29.00
36.00
1.00
4.00
2.00
6.25
6.25
9.00
2.00
4.00
2.00
6.00
Min
—
—
—
80 MHz
(continued)
13.00
13.00
16.00
13.00
Max
8.00
8.00
9.00
9.00
9.00
—
—
—
—
—
—
—
FFACT
0.250
0.250
0.375
0.250
0.500
1.250
1.500
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
50.00
—
MOTOROLA
Unit
ns
ns
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns