cy62167e Cypress Semiconductor Corporation., cy62167e Datasheet - Page 6

• Manufacturer Part Number: cy62167e
• Description: 16-mbit 1m X 16 / 2m X 8 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-15607 Rev. *A
Switching Waveforms
Notes
Figure 1
Figure 2
18. The device is continuously selected. OE, CE
19. WE is HIGH for read cycle.
20. Address valid before or similar to CE
DATA OUT
ADDRESS
CURRENT
BHE/BLE
DATA OUT
SUPPLY
ADDRESS
CE
CE
V
OE
CC
shows address transition controlled read cycle waveforms.
shows OE controlled read cycle waveforms.
1
2
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
1
LZCE
, BHE, BLE transition LOW and CE
t
LZBE
t
t
ACE
LZOE
1
= V
t
OHA
50%
IL
t
t
DOE
, BHE, BLE or both = V
DBE
Figure 1. Read Cycle No. 1
Figure 2. Read Cycle No. 2
t
AA
[19, 20]
t
RC
2
IL
transition HIGH.
, and CE
t
RC
RC
[18, 19]
2
= V
IH
.
DATA VALID
t
DATA VALID
HZOE
CY62167E MoBL
t
HZBE
t
HZCE
t
PD
50%
IMPEDANCE
Page 6 of 12
HIGH
I
I
CC
SB
®
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