CY7C1381D-133AXI Cypress Semiconductor Corp, CY7C1381D-133AXI Datasheet - Page 7

• Manufacturer Part Number: CY7C1381D-133AXI
• Description: IC,SYNC SRAM,512KX36,CMOS,QFP,100PIN,PLASTIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1381D-133AXI

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 18M (512K x 36)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-2147; CY7C1381D-133AXI

Switching Waveforms
Notes
Document #: 38-06037 Rev. *E
16. R/W is HIGH for read cycle.
17. Device is continuously selected CE = LOW and OE = LOW. This waveform cannot be used for semaphore reads.
18. Address valid prior to or coincident with CE transition LOW.
19. CE
ADDRESS
ADDRESS
DATA
L
SEM or CE
DATA OUT
DATA
= L, SEM = H when accessing RAM. CE = H, SEM = L when accessing semaphores.
R/W
OUTL
INR
I
OE
I
CC
SB
R
R
L
t
PU
Figure 4. Read Cycle No. 2 (Either Port CE/OE Access)
(continued)
Figure 5. Read Timing with Port-to-Port Delay (M/S = L)
t
LZCE
t
LZOE
t
ACE
t
DOE
MATCH
MATCH
t
WC
t
PWE
t
WDD
VALID
DATA VALID
t
SD
t
DDD
[16, 18, 19]
t
HZOE
[20, 21]
t
HD
CY7C138, CY7C139
t
HZCE
t
PD
VALID
Page 7 of 17
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