CY7C4265-15ASC Cypress Semiconductor Corp, CY7C4265-15ASC Datasheet - Page 5

• Manufacturer Part Number: CY7C4265-15ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4265-15ASC

• Configuration: Dual
• Density: 288Kb
• Access Time (max): 10ns
• Word Size: 18b
• Organization: 16Kx18
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: TQFP
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 45mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Switching Characteristics
Document #: 38-06004 Rev. *E
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Parameter
S
A
CLK
CLKH
CLKL
DS
DH
ENS
ENH
RS
RSR
RSF
PRT
RTR
OLZ
OE
OHZ
WFF
REF
PAFasynch
PAFsynch
PAEasynch
PAEsynch
HF
XO
OUTPUT
INCLUDING
5V
JIG AND
SCOPE
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set Up Time
Data Hold Time
Enable Set Up Time
Enable Hold Time
Reset Pulse Width
Reset Recovery Time
Reset to Flag and Output Time
Retransmit Pulse Width
Retransmit Recovery Time
Output Enable to Output in Low Z
Output Enable to Output Valid
Output Enable to Output in High Z
Write Clock to Full Flag
Read Clock to Empty Flag
Clock to Programmable Almost-Full Flag
Clock to Programmable Almost-Full Flag
Clock to Programmable Almost-Empty Flag
Clock to Programmable Almost-Full Flag
Clock to Half-Full Flag
Clock to Expansion Out
(Asynchronous mode, V
(Synchronous mode, V
(Asynchronous mode, V
(Synchronous mode, V
C
L
R1 1.1 K Ω
R2
680Ω
Description
[12]
CC
CC
Figure 2. AC Test Loads and Waveforms
CC
CC
Over the Operating Range
/SMODE tied to V
/SMODE tied to V
/SMODE tied to V
/SMODE tied to V
Equivalent to:
[12]
[13]
[13]
[14]
SS
SS
OUTPUT
CC
CC
THÉ VENIN EQUIVALENT
)
)
)
)
Min
4.5
4.5
0.5
0.5
7C42X5-10
10
10
30
60
2
3
3
8
0
3
3
GND
3.0V
≤ 3 ns
Max
100
10
12
12
12
8
7
7
8
8
8
8
6
CY7C4255, CY7C4265, CY7C4265A
410Ω
7C4265A-15
Min
15
15
10
35
65
2
6
6
4
1
4
1
0
3
3
7C42X5,
ALL INPUT PULSES
[10, 11]
10%
90%
Max
66.7
10
15
10
10
16
10
16
10
16
10
1.91V
8
8
Min
7C42X5-25
25
10
10
25
15
45
75
2
6
1
6
1
0
3
3
Max
40
15
25
12
12
15
15
20
15
20
15
20
15
90%
10%
Min
≤ 3 ns
7C42X5-35
35
14
14
35
20
55
85
2
7
2
7
2
0
3
3
Max
28.6
20
35
15
15
20
20
25
20
25
20
25
20
Page 5 of 23
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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