CY7C146-25JC Cypress Semiconductor Corp, CY7C146-25JC Datasheet - Page 7

• Manufacturer Part Number: CY7C146-25JC
• Description: IC SRAM 16KBIT 25NS 52PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C146-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 16K (2K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Density: 16Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: SDR
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 22b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 170mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Number Of Words: 2K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1202

Switching Characteristics
Over the Operating Range (Speeds -35, -45, -55)
Switching Waveforms
Notes
Document #: 38-06031 Rev. *E
Interrupt Timing
t
t
t
t
t
t
17. R/W is HIGH for read cycle.
18. Device is continuously selected, CE = V
19. Address valid prior to or coincident with CE transition LOW.
WINS
EINS
INS
OINR
EINR
INR
Parameter
DATA OUT
ADDRESS
DATA OUT
I
CE
OE
CC
I
SB
R/W to INTERRUPT Set Time
CE to INTERRUPT Set Time
Address to INTERRUPT Set Time
OE to INTERRUPT Reset Time
CE to INTERRUPT Reset Time
Address to INTERRUPT Reset Time
[16]
PREVIOUS DATA VALID
t
PU
t
LZCE
t
OHA
Figure 4. Read Cycle No. 1 (Either Port-Address Access)
Description
IL
and OE = V
Figure 5. Read Cycle No. 2 (Either Port-CE/OE )
t
LZOE
t
ACE
IL
.
[13]
[13]
[8]
t
DOE
(continued)
[13]
t
AA
t
RC
Min
7C132-35
7C136-35
7C142-35
7C146-35
Max
25
25
25
25
25
25
DATA VALID
CY7C136A, CY7C142, CY7C146
Min
7C132-45
7C136-45
7C142-45
7C146-45
[17, 19]
t
HZOE
DATA VALID
[17, 18]
Max
35
35
35
35
35
35
CY7C132, CY7C136
t
HZCE
t
Min
PD
7C136A-55
7C132-55
7C136-55
7C142-55
7C146-55
Max
45
45
45
45
45
45
Page 7 of 15
Unit
ns
ns
ns
ns
ns
ns
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