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HD64F2149YV Folha de dados(PDF) 751 Page - Renesas Technology Corp

Nome de Peças HD64F2149YV
Descrição Electrónicos  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
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HD64F2149YV Folha de dados(HTML) 751 Page - Renesas Technology Corp

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Section 22 ROM
Rev. 3.00 Jan 18, 2006 page 723 of 1044
REJ09B0280-0300
Table 22.14 AC Characteristics in Memory Read Mode
Conditions: V
CC = 3.3 V ±0.3 V, VSS = 0 V, Ta = 25°C ±5°C
Item
Symbol
Min
Max
Unit
Command write cycle
t
nxtc
20
—
µs
CE hold time
t
ceh
0
—
ns
CE setup time
t
ces
0
—
ns
Data hold time
t
dh
50
—
ns
Data setup time
t
ds
50
—
ns
Write pulse width
t
wep
70
—
ns
WE rise time
t
r
—
30
ns
WE fall time
t
f
—
30
ns
CE
FA17 to FA0
FO7 to FO0
Data
OE
WE
Command write
twep
tceh
tdh
tds
tf
tr
tnxtc
Note: Data is latched on the rising edge of
WE.
tces
Memory read mode
Address stable
Data
Figure 22.16 Memory Read Mode Timing Waveforms after Command Write



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