LPC2420_60

Manufacturer Part NumberLPC2420_60
DescriptionNXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
ManufacturerNXP Semiconductors
LPC2420_60 datasheet
 


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Page 60/86

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Table 14.
Dynamic characteristics: Static external memory interface
C
= 30 pF, T
=
40
C to 85
C, V
L
amb
DD(DCDC)(3V3)
Symbol
Parameter
Conditions
t
WE HIGH to data invalid
WEHDNV
time
t
BLS HIGH to address
BLSHANV
invalid time
t
BLS HIGH to data invalid
BLSHDNV
time
[1]
V
= 2.5 V, V
= 0.2 V.
OH
OL
[2]
V
= 2.5 V, V
= 0.5 V.
IH
IL
1
[3]
T
=
.
cy(CCLK)
CCLK
[4]
Latest of address valid, CS LOW, OE LOW to data valid.
[5]
Earliest of CS HIGH, OE HIGH, address change to data invalid.
[6]
Byte lane state bit (PB) = 1.
…continued
= V
= 3.0 V to 3.6 V.
DD(3V3)
Min
Typ
[3]
0.78 + T
2.54 + T
cy(CCLK)
0.29
[3]
0.20
[3]
0
2.54
Max
5.96 + T
cy(CCLK)
cy(CCLK)
2.54
5.37
Unit
ns
ns
ns