參數(shù)資料
型號(hào): S2028A
廠商: APPLIEDMICRO INC
元件分類(lèi): 數(shù)字信號(hào)處理外設(shè)
英文描述: 32-BIT, DSP-CROSSBAR SWITCH, PQFP224
封裝: LDCC-224
文件頁(yè)數(shù): 8/20頁(yè)
文件大?。?/td> 147K
代理商: S2028A
16
33 x 32 1.25 GBIT/S DIFFERENTIAL CROSSPOINT SWITCH
S2028
July 2, 1999 / Revision C
Table 10. Data Transfer Timing1
Symbol
Description
Min.
Max.
Units
ns
Mbit/s
0.650
3
6
8.5
1250
t
DIDO
t
CFDO
t
LDDO
DI
MPW
F
MAX
Propagation delay from DIN[31:0] P/N or ADVERTISEP/N
to DOUT[31:0] P/N
Propagation delay from falling edge of CONFIGN to
DOUT[31:0] P/N valid
Propagation delay from falling edge of LOADN to
DOUT[31:0] P/N valid (When CONFIGN is held low)
Pulse width of DIN[31:0] P/N
Data rate
ns
10
t
PER
Configuration cycle time
ns
5
t
BTB
Back to back cycle time
1. All timing measured from the VCC -1.3V point on the signals.
Symbol
Parameter
Conditions
Min
Max
Typ1
Unit
Commercial 0
° to 70°C
VIH
2
VIL2
VIK
IIH
IIL
II
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Guaranteed Input HIGH Voltage
for all input pairs
VCC = MIN, IIN = -18 mA
VCC = MAX, VIN = 2.7V
VCC = MAX,VIN = 0.5V
2.0
-0.8
50
V
A
mA
Input HIGH Current at
Max.
Input Clamp Diode
Voltage
VCC = MAX, VIN =VCC + 0.3V
mA
Guaranteed Input LOW Voltage
for all input pairs
0.8
1
-1.2
-0.4
Table 9. TTL Input DC Characteristics
1. Typical limits are at 25
°C, VCC = 5.0V.
2. These input levels provide a zero noise immunity and should only be tested in a static, noise-free environment.
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