參數(shù)資料
型號: LPC2460FBD208
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)學(xué)處理器
英文描述: Flashless 16-bit-32-bit microcontroller; Ethernet, CAN, ISP-IAP, USB 2.0 device-host-OTG, external memory interface
封裝: LPC2420FBD208<SOT459-1 (LQFP208)|<<http://www.nxp.com/packages/SOT459-1.html<1<Always Pb-free,;LPC2420FET208<SOT950-1 (TFBGA208)|<<http://www.nxp.com/packages/SOT950-1.ht
文件頁數(shù): 61/86頁
文件大?。?/td> 496K
代理商: LPC2460FBD208
LPC2420_60
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6.1 — 22 September 2011
61 of 86
NXP Semiconductors
LPC2420/2460
Flashless 16-bit/32-bit microcontroller
11.5 Dynamic external memory interface
[1]
See
Figure 18
.
Table 15.
C
L
= 30 pF, T
amb
=
40
C to 85
C, V
DD(DCDC)(3V3)
= V
DD(3V3)
= 3.0 V to 3.6 V, EMC Dynamic Read Config Register = 0x0
(RD = 00)
Symbol
Parameter
Common
t
d(SV)
chip select valid delay time
t
h(S)
chip select hold time
t
d(RASV)
row address strobe valid delay time
t
h(RAS)
row address strobe hold time
t
d(CASV)
column address strobe valid delay time
t
h(CAS)
column address strobe hold time
t
d(WV)
write valid delay time
t
h(W)
write hold time
t
d(GV)
output enable valid delay time
t
h(G)
output enable hold time
t
d(AV)
address valid delay time
t
h(A)
address hold time
Read cycle parameters
t
su(D)
data input set-up time
t
h(D)
data input hold time
Write cycle parameters
t
d(QV)
data output valid delay time
t
h(Q)
data output hold time
Dynamic characteristics: Dynamic external memory interface
Conditions
Min
Typ
Max
Unit
[1]
-
1.05
1.02
1.51
1.51
0.98
0.97
0.84
0.84
0.95
1
0.87
0.81
1.76
-
1.95
-
1.27
-
1.95
-
1.86
-
1.95
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
[1]
0.1
[1]
-
[1]
0.5
[1]
-
[1]
0.1
[1]
-
[1]
0.1
[1]
-
[1]
0.1
[1]
-
[1]
0.1
[1]
0.51
2.24
-
ns
[1]
0.57
2.41
-
ns
[1]
-
2.65
2.61
4.36
-
ns
ns
[1]
0.49
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