lpc2420 NXP Semiconductors, lpc2420 Datasheet - Page 57

• Manufacturer Part Number: lpc2420
• Description: Flashless 16-bit/32-bit Microcontroller; Ethernet, Can, Isp/iap, Usb 2.0 Device/host/otg, External Memory Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 12.
C
LPC2420_60_3
Preliminary data sheet
Symbol
Common
t
t
t
t
t
t
t
t
t
t
t
t
Read cycle parameters
t
t
Write cycle parameters
t
t
d(SV)
h(S)
d(RASV)
h(RAS)
d(CASV)
h(CAS)
d(WV)
h(W)
d(GV)
h(G)
d(AV)
h(A)
su(D)
h(D)
d(QV)
h(Q)
L
= 30 pF, T
Dynamic characteristics: Dynamic external memory interface
amb
Parameter
chip select valid delay time
chip select hold time
row address strobe valid delay time
row address strobe hold time
column address strobe valid delay time
column address strobe hold time
write valid delay time
write hold time
output enable valid delay time
output enable hold time
address valid delay time
address hold time
data input set-up time
data input hold time
data output valid delay time
data output hold time
= 40 C to 85 C, V
DD(DCDC)(3V3)
Rev. 03 — 20 November 2008
= V
DD(3V3)
= 3.0 V to 3.6 V, AHB clock = 1 MHz
Conditions
Flashless 16-bit/32-bit microcontroller
Min
-
0.1
-
0.5
-
0.1
-
0.1
-
0.1
-
0.1
0.51
0.57
-
0.49
LPC2420/2460
Typ
1.05
1.02
1.51
1.51
0.98
0.97
0.84
0.84
0.95
1
0.87
0.81
2.24
2.41
2.65
2.61
© NXP B.V. 2008. All rights reserved.
Max
1.76
-
1.95
-
1.27
-
1.95
-
1.86
-
1.95
-
-
-
4.36
-
57 of 73
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns