CY7C109B-15ZC Cypress Semiconductor Corp, CY7C109B-15ZC Datasheet - Page 6

• Manufacturer Part Number: CY7C109B-15ZC
• Description: IC SRAM 1MBIT 15NS 32TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C109B-15ZC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (128K x 8)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TSOP I
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1034

Data Retention Waveform
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2 (OE Controlled)
Notes:
Document #: 38-05038 Rev. **
10. Device is continuously selected. OE, CE
11. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE
DATA OUT
DATA OUT
ADDRESS
CURRENT
ADDRESS
SUPPLY
V
CE
CE
V
OE
CE
CC
CC
1
2
[10, 11]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
1
[11, 12]
= V
t
t
LZOE
1
ACE
IL
transition LOW and CE
, CE
t
OHA
50%
t
t
CDR
2
DOE
4.5V
= V
IH
.
t
AA
2
transition HIGH.
t
RC
DATA RETENTION MODE
t
RC
V
DR
> 2V
DATA VALID
t
DATA VALID
HZOE
4.5V
t
R
t
HZCE
t
PD
50%
CY7C1009B
CY7C109B
IMPEDANCE
Page 6 of 12
HIGH
109B-6
109B–7
109B–8
I
I
CC
SB