CY7C128A-35PC Cypress Semiconductor Corp, CY7C128A-35PC Datasheet - Page 4

• Manufacturer Part Number: CY7C128A-35PC
• Description: IC SRAM 16KBIT 35NS 24DIP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C128A-35PC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 16K (2K x 8)
• Speed: 35ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 24-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1045

Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2
Write Cycle No. 1 (WE Controlled)
Notes:
Document #: 38-05028 Rev. **
10. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE transition LOW.
13. Data I/O pins enter high-impedance state, as shown, when OE is held LOW during write.
11. Device is continuously selected. OE, CE = V
DATA OUT
CURRENT
DATA OUT
ADDRESS
ADDRESS
SUPPLY
DATA I/O
DATA IN
V
OE
CE
CC
WE
CE
[10, 11]
[10, 12]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
t
DATA UNDEFINED
[9, ]
SA
t
t
ACE
LZOE
IL
.
50%
t
t
OHA
DOE
t
AA
t
SCE
t
t
AW
RC
t
WC
t
RC
t
HZWE
DATA
t
PWE
t
SD
DATA VALID
IN
VALID
HIGH IMPEDANCE
t
HD
t
DATA VALID
LZWE
t
HA
t
t
HZOE
HZCE
t
PD
50%
CY7C128A
IMPEDANCE
HIGH
Page 4 of 10
C128A–8
C128A–7
C128A–6
I
I
CC
SB
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