CY7C1021B-15ZXI Cypress Semiconductor Corp, CY7C1021B-15ZXI Datasheet - Page 5

• Manufacturer Part Number: CY7C1021B-15ZXI
• Description: IC SRAM 1MBIT 15NS 44TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1021B-15ZXI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (64K x 16)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TSOP II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-05145 Rev. *C
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2 (OE Controlled)
Notes:
10. WE is HIGH for read cycle.
11. Address valid prior to or coincident with CE transition LOW.
9. Device is continuously selected. OE, CE, BHE and/or BHE = V
DATA
CURRENT
DATA OUT
ADDRESS
BHE, BLE
SUPPLY
ADDRESS
V
CC
OUT
OE
CE
[9, 10]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
t
LZCE
PU
[10, 11]
t
ACE
t
t
LZBE
t
DBE
LZOE
t
DOE
50%
t
OHA
IL
t
.
AA
t
RC
t
RC
DATA VALID
t
HZOE
DATA VALID
t
t
HZCE
HZBE
t
PD
CY7C1021B
50%
IMPEDANCE
HIGH
Page 5 of 10
I
I
ICC
ISB
CC
SB
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