MT92210 Zarlink Semiconductor, MT92210 Datasheet - Page 177

• Manufacturer Part Number: MT92210
• Description: 1023 Channel Voice Over ip (VoIP) Processor
• Manufacturer: Zarlink Semiconductor

Data Sheet
13.5.4
t1
t2
t3
t4
t5
t6
t41
t50
t60
Symbol
Symbol
External Memory Interface
mem_* (output)
mem_* (input)
Input setup time
Input hold time
Clock to data valid
Clock to data change
Clock rising to signal driven
Clock rising to signal
tri-state
mc_tx rise to ct_mc tri-state
ct_mc fall to mc_rx fall
ct_c8_a, ct_c8_b, ct_frame_a,
ct_frame_b, c2, c4, sclk, sclkx2,
frcomp, c16+, c16- maximum skew
when generated by the chip
mem_clk_i
Description
Figure 92 - External Memory Timing (both SSRAM and SDRAM)
Description
Table 54 - Fields and Description (continued)
Table 55 - Fields and Description
t5
t3
3.1
0
1.1
1.9
X
Zarlink Semiconductor Inc.
Min
3
3
t1
Min
Typical
t4
t2
Typical
X
8.1
4
Max
15
15
5
Max
t6
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
Unit
MT92210
Load = 50
pf
Load = 50
pf
200 pf
200 pf
Notes
Notes
177