CY7C68013-128AXC Cypress Semiconductor Corp, CY7C68013-128AXC Datasheet - Page 31

• Manufacturer Part Number: CY7C68013-128AXC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C68013-128AXC

• Cpu Family: FX2LP
• Device Core: 8051
• Device Core Size: 8b
• Frequency (max): 48MHz
• Interface Type: I2C/USB
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 8KB
• # I/os (max): 40
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Package Type: TQFP
• Lead Free Status / Rohs Status: Compliant

9.3
Document #: 38-08012 Rev. *F
t
t
t
t
t
t
t
t
When using the AUTPOPTR1 or AUTOPTR2 to address external memory, the address of AUTOPTR1 will only be active while
either RD# or WR# are active. The address of AUTOPTR2 will be active throughout the cycle and meet the above address valid
time for which is based on the stretch value.
Note:
12. t
CL
AV
STBL
STBH
SCSL
SOEL
DSU
DH
Parameter
t
t
t
t
ACC2
ACC2
ACC2
ACC3
ACC3
CLKOUT
Data Memory Read
(24 MHz) = 3*t
(48 MHz) = 3*t
(24 MHz) = 5*t
(48 MHz) = 5*t
CLKOUT
and t
ACC3
A[15..0]
A[15..0]
[10]
D[7..0]
D[7..0]
are computed from the above parameters as follows:
[10]
1/CLKOUT Frequency
Delay from Clock to Valid Address
Clock to RD LOW
Clock to RD HIGH
Clock to CS LOW
Clock to OE LOW
Data Set-up to Clock
Data Hold Time
OE#
RD#
RD#
CS#
CS#
CL
CL
CL
CL
– t
– t
– t
– t
AV
AV
AV
AV
–t
– t
–t
– t
DSU
DSU
DSU
DSU
t
t
AV
AV
t
t
CL
CL
= 106 ns
= 190 ns
= 43 ns
= 86 ns.
Description
Figure 9-2. Data Memory Read Timing Diagram
t
STBL
t
t
ACC1
SCSL
t
SOEL
[12]
Stretch = 0
Stretch = 1
t
data in
DSU
t
ACC1
[12]
Min.
9.6
t
0
STBH
t
DH
20.83
41.66
Typ.
83.2
t
AV
t
data in
DSU
Max.
10.7
11.1
11
11
13
t
DH
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CY7C68013
Page 31 of 48
48 MHz
24 MHz
12 MHz
Notes