CY7C199C-15ZXCT Cypress Semiconductor Corp, CY7C199C-15ZXCT Datasheet - Page 7

• Manufacturer Part Number: CY7C199C-15ZXCT
• Description: IC SRAM 256KBIT 15NS 28TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C199C-15ZXCT

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-TSOP I
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-05408 Rev. *B
Timing Waveforms
Data Retention Waveform
Read Cycle No. 1
Read Cycle No. 2
Notes:
10. WE is HIGH for Read Cycle.
12. Address valid prior to or coincident with CE transition LOW.
11. This cycle is OE Controlled and WE is HIGH read cycle.
9. Device is continuously selected. OE = V
Address
Data Out
Data Out
Current
Address
CE
V
V
CE
OE
CC
CC
[9, 10]
[11, 12]
I
I
CC
SB
Previous Data Valid
High Z
t
CDR
IL
= CE.
t
OHA
t
LZCE
t
DATA RETENTION MODE
PU
t
AA
t
ACE
t
LZOE
50%
t
DOE
t
RC
t
RC
Data Valid
Data Valid
t
R
t
HZOE
CY7C199C
50%
t
HZCE
t
PD
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High Z