21143TD Intel, 21143TD Datasheet - Page 42

• Manufacturer Part Number: 21143TD
• Manufacturer: Intel

Specifications of 21143TD

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Lead Free Status / Rohs Status: Not Compliant

21143
3.10.2
38
Boot ROM Write Timing
Figure 19
timing limits.
1.
Tavav
Teleh
Taveh
Tdveh
Tehdx
Tehax
Tads
Tadh
Symbol
There are no maximum specifications.
br_ad<7:0>
br_a<1>
br_a<0>
br_ce_l
shows the boot ROM write timing characteristics, and
1
Write cycle time
br_ce_l pulse width
Address setup to br_ce_l going high
Data setup to br_ce_l going high
Data hold from br_ce_l going high
Address hold from br_ce_l high
Address setup to latch enable high
Address hold from latch enable high
Address=<7:2>
Tads
oe = 1, we = 0
Address<17>
Table 34. Boot ROM Write Timing Specifications
Tadh
Figure 19. Boot ROM Write Timing Diagram
Address<15:8>
Tads
Address<16>
Parameter
Tadh
Address<0>
Tdveh
Taveh
Tavav
Data<7:0>
Address<1>
Teleh
Table 34
Tehax
Tehdx
Minimum
240
70
50
50
10
15
30
30
Preliminary
lists the boot ROM write
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Datasheet
A5479-01