MT92220BG Zarlink Semiconductor, MT92220BG Datasheet - Page 204

• Manufacturer Part Number: MT92220BG
• Description: Description = 1023 Channel Voice Over IP/AAL2 Processor ;; Package Type = Epbga ;; No. Of Pins = 608
• Manufacturer: Zarlink Semiconductor

204
14.5.4
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 110 - External Memory Timing (both SSRAM and SDRAM)
Description
Table 74 - Fields and Description (continued)
Table 75 - 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
Load = 50
pf
Load = 50
pf
200 pf
200 pf
Notes
Notes