cy62157e Cypress Semiconductor Corporation., cy62157e Datasheet - Page 6

• Manufacturer Part Number: cy62157e
• Description: 8-mbit 512k X 16 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-05695 Rev. *C
Switching Waveforms
Read Cycle 1 (Address Transition Controlled)
Read Cycle 2 (OE Controlled)
Notes:
16. The device is continuously selected. OE, CE
17. WE is HIGH for read cycle.
18. Address valid prior to or coincident with CE
DATA OUT
CURRENT
ADDRESS
DATA OUT
ADDRESS
BHE/BLE
SUPPLY
V
CE
CE
OE
CC
1
2
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
[17, 18]
t
LZCE
t
LZBE
1
, BHE, BLE transition LOW and CE
t
t
1
ACE
LZOE
= V
IL
t
OHA
50%
, BHE and/or BLE = V
t
t
DOE
DBE
[16, 17]
t
AA
t
RC
IL
, and CE
2
transition HIGH.
2
t
= V
RC
IH
.
DATA VALID
t
DATA VALID
HZOE
CY62157E MoBL
t
HZBE
t
HZCE
t
PD
50%
Page 6 of 12
IMPEDANCE
HIGH
I
I
CC
SB
®
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