參數(shù)資料
型號: CYNSE70256
英文描述: Network Processing
中文描述: 網(wǎng)絡處理
文件頁數(shù): 117/126頁
文件大?。?/td> 3302K
代理商: CYNSE70256
CYNSE70032
Document #: 38-02042 Rev. *E
Page 117 of 126
Table 19-3. Operating Range for CYNSE70032
20.0
AC Timing Waveforms
Table 20-1
shows the AC timing parameters for the CYNSE70032 device;
Table 20-2
shows the same parameters but for 2.5V.
Figure 20-1
shows the device’s input wave form, and
Figure 20-2
and
Figure 20-3
show the device’s output load.
Figure 20-4
shows a timing waveform diagram.
Range
Commercial
Industrial
Ambient Temperature
0
°
C to +70
°
C
–40
°
C to +85
°
C
V
CC
+2.5V to +3.3V ±5%
+2.5V to +3.3V ±5%
Table 20-1. AC Timing Parameters with CLK2X
Parameter
F
CLOCK
t
CLK
T
CKHI
T
CKLO
T
ISCH
T
IHCH
T
ICSCH
T
ICHCH
T
CKHOV
T
CKHDV
T
CKHDZ
T
CKHSV
T
CKHSHZ
T
CKHSLZ
Description
CYNSE70032-066 CYNSE70032-083
Min.
Max.
133
7.5
3.0
3.0
2.5
0.6
4.2
0.6
8.5
9.0
8.5
9.0
6.5
7.0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min.
Max.
166
CLK2X frequency
CLK2X period
CLK2X high pulse
[11]
CLK2X low pulse
[11]
Input set-up time to CLK2X rising edge
[11]
Input hold time to CLK2X rising edge
[11]
Cascaded input set-up time to CLK2X rising edge
[11]
Cascaded input hold time to CLK2X rising edge
[11]
Rising edge of CLK2X to LHO, FULO, BHO, FULL valid
[12]
Rising edge of CLK2X to DQ valid
[12]
Rising edge of CLK2X to DQ High-Z
[13]
Rising edge of CLK2X to SRAM bus valid
[12]
Rising edge of CLK2X to SRAM bus High-Z
[13]
Rising edge of CLK2X to SRAM bus Low-Z
[13]
6.0
2.4
2.4
1.8
0.6
3.5
0.6
7.0
7.5
7.0
7.5
6.0
6.5
Table 20-2. Test Conditions of CYNSE70032
Conditions
Results
Input pulse levels (V
DDQ
= 3.3V)
Input pulse levels (V
DDQ
= 2.5V)
Input rise and fall times measured at 0.3V and 2.7V (V
DDQ
= 3.3V)
Input rise and fall times measured at 0.25V and 2.25V (V
DDQ
= 2.5V)
Input timing reference levels (V
DDQ
= 3.3V)
Input timing reference levels (V
DDQ
= 2.5V)
Output reference levels (V
DDQ
= 3.3V)
Output reference levels (V
DDQ
= 2.5V)
Output load
Notes:
11.
Values are based on 50% signal levels.
12. Based on an AC load of CL = 30 pF (see
Figure 20-1
,
Figure 20-2
, and
Figure 20-3
).
13. These parameters are sampled but not 100% tested, and are based on an AC load of 5 pF.
GND to 3.0V
GND to 2.5V
2 ns (see
Figure 20-1
)
2 ns (see
Figure 20-1
)
1.5V
1.25V
1.5V
1.25V
See
Figure 20-2
and
Figure 20-3
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