CY7C128A-45PC Cypress Semiconductor Corp, CY7C128A-45PC Datasheet - Page 5

• Manufacturer Part Number: CY7C128A-45PC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C128A-45PC

• Density: 16Kb
• Access Time (max): 45ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 11b
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 120mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 24
• Word Size: 8b
• Number Of Words: 2K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05028 Rev. *B
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2
Write Cycle No. 1 (WE Controlled)
Notes:
9. WE is HIGH for read cycle.
10. Device is continuously selected. OE, CE = V
11. Address valid prior to or coincident with CE transition LOW.
DATA OUT
CURRENT
DATA OUT
ADDRESS
ADDRESS
SUPPLY
DATA I/O
DATA IN
V
CE
OE
CC
CE
WE
[9, 10]
[9, 11]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
t
DATA UNDEFINED
SA
t
t
LZOE
ACE
IL
.
[8]
50%
t
t
OHA
DOE
t
AA
t
SCE
t
AW
t
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 5 of 9
C128A–8
C128A–7
C128A–6
I
I
CC
SB
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