RP5C62 Просмотр технического описания (PDF) - RICOH Co.,Ltd.
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RP5C62 Datasheet PDF : 48 Pages
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RP/RF/RS5C62
AC ELECTRICAL CHARACTERISTICS
Symbol
Item
tCES CE Setup Time
tCEH CE Hold Time
tAS (RD) Address Setup Time (For Read)
tAS (WR) Address Setup Time (For Write)
tAH (RD) Address Hold Time (For Read)
tAH (WR) Address Hold Time (For Write)
tRR Output Data Delay Time (CL=100pF)
tRZ Output Data Floating Time
tW
Write Pulse Width
tDS Input Data Setup Time
tDH Input Data Hold Time
VDD=5V±10%
MIN.
MAX.
500
500
20
20
10
10
120
70
120
60
10
VDD=3V±10%
MIN.
MAX.
1,000
1,000
20
20
10
10
295
95
195
95
10
VSS=0V, Topt=–20 to +70˚C
VDD=5V±20%
MIN.
MAX.
Unit
500
ns
500
ns
20
ns
20
ns
10
ns
10
ns
150
ns
75
ns
150
ns
75
ns
10
ns
TIMING CHART
CE
A0 to A3
Read
CS
RD
or
RD
CS
D0 to D3
(Read Data)
Write
CS
WR
or
WR
CS
D0 to D3
(Write Data)
tCES
tAS(RD)
tAH(RD)
tCEH
tAS(WR)
tRR
tW
Valid
tRZ
tAH(WR)
tDS
tDH
Valid
*) The diagonally shaded sections marked in the above timing chart indicate the allowable high or low levels of the CS, RD, and WR pin inputs.
Input/Output Conditions
(VDD= 5V±10%)
VIH = 2.2V
VIL = 0.8V
VOH= 2.2V
VOL = 0.8V
(VDD= 3V±10%)
VIH = 0.8 ´ VDD
VIL = 0.2 ´ VDD
VOH= 0.8 ´ VDD
VOL = 0.2 ´ VDD
(VDD= 5V±20%)
VIH = 2.4V
VIL = 0.4V
VOH= 2.4V
VOL = 0.4V
5
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