參數(shù)資料
型號(hào): DSP1620
英文描述: TVS 400W 6.0V BIDIRECT SMA
中文描述: 澄清,串行I /設(shè)備的DSP1620/27/28/29 O控制注冊(cè)說明
文件頁數(shù): 103/114頁
文件大?。?/td> 804K
代理商: DSP1620
Preliminary Data Sheet
February 1997
DSP1628 Digital Signal Processor
101
Lucent Technologies Inc.
10 Timing Characteristics for 2.7 V Operation
(continued)
* Motorolamode signal name.
Figure 26. PHIF Intelor MotorolaMode Signaling (Status Register Read) Timing Diagram
t45, t47, and t49 are referenced to the falling edge of PCSN or PODS(PDS), whichever occurs last.
t46, t48, t154, and t50 are referenced to the rising edge of PCSN or PODS(PDS), whichever occurs first.
Table 92. Timing Requirements for Inteland MotorolaMode Signaling (Status Register Read)
Abbreviated Reference
t45
t46
t47
t48
Parameter
Min
4
Max
Unit
ns
PSTAT to PCSN Setup (valid to low)
PCSN to PSTAT Hold (high to invalid)
0
ns
PBSEL to PCSN Setup (valid to low)
6
ns
PCSN to PBSEL Hold (high to invalid)
0
ns
Table 93. Timing Characteristics for Inteland MotorolaMode Signaling (Status Register Read)
Abbreviated Reference
t49
t50
t154
Parameter
Min
Max
12
Unit
ns
PCSN to PB Read (low to valid)
PCSN to PB Read Hold (high to invalid)
0
ns
PCSN to PB 3-state (high to 3-state)
8
ns
PCSN
PODS(PDS*)
PIDS(PRWN*)
PBSEL
PSTAT
PB[7:0]
t47
t48
t45
t46
t49
t50
t154
V
IH
V
IL
V
OH
V
OL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
5-4040 (C).a
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