參數(shù)資料
型號(hào): S2025C-15
廠商: APPLIEDMICRO INC
元件分類: 數(shù)字信號(hào)處理外設(shè)
英文描述: 32-BIT, DSP-CROSSBAR SWITCH, PQFP196
封裝: LDCC-196
文件頁數(shù): 12/17頁
文件大?。?/td> 126K
代理商: S2025C-15
4
32 x 32 1.5 GBIT/S DIFFERENTIAL CROSSPOINT SWITCH
S2025
June 24, 1999 / Revision B
Reset Behavior
When the RESETN input pair is asserted, the S2025
assumes a configuration where all the differential out-
put drivers are disabled. Individual output drivers then
remain disabled until they are explicitly reconfigured to
be enabled.
Table 2. Reconfiguration Timing2
Symbol
Description
Min.
Max.
Units
ns
2
1
2
1
ns
t
SUIAD
t
HIAD
t
SUIAC
t
HIAC
t
SULC
LD
MPW
Setup time of IADDR before rising edge of IACLK
Hold time of IADDR after rising edge of IACLK
Setup time of IACLK before falling edge of LOADN
Setup time of LOADN to CONFIGN so that the falling
edge of CONFIGN will start reconfiguration
Hold time of IACLK after rising edge of LOADN
ns
2
1
2
ns
t
SUOAD
t
HOAD
t
SUOAC
t
HOAC
Setup time of OADDR before rising edge of OACLK
Hold time of OADDR after rising edge of OACLK
Setup time of OACLK before falling edge of LOADN
Hold time of OACLK after rising edge of LOADN
Pulse width low of LOADN
ns
4.5
CF
MPW
Pulse width low of CONFIGN
MHz
100
F
MAX
IACLK, OACLK maximum frequency
1.
All timing measured from the VCC -1.3V point on the signals.
2.
All timing measured from the 1.5V point on the signals.
Table 1. Data Transfer Timing1
Symbol
Description
Min.
Max.
Units
ns
Mbit/s
0.650
3
6
8
1500
t
DIDO
t
CFDO
t
LDDO
DI
MPW
F
MAX
Propagation delay from DIN0–31 P/N to DOUT0–31 P/N
Propagation delay from falling edge of CONFIGN to
DOUT0–31 P/N valid
Propagation delay from falling edge of LOADN to
DOUT0–31 P/N valid (When CONFIGN is held low)
Pulse width of DIN0–31 P/N
Data rate
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