Cypress CY62157EV18 Lembar Spesifikasi - Halaman 6
Jelajahi secara online atau unduh pdf Lembar Spesifikasi untuk Perangkat Keras Komputer Cypress CY62157EV18. Cypress CY62157EV18 13 halaman. Mobl 8-mbit (512k x 16) static ram
Halaman CetakSwitching Waveforms
Read Cycle 1 (Address Transition Controlled)
ADDRESS
DATA OUT
PREVIOUS DATA VALID
Read Cycle 2 (OE Controlled)
ADDRESS
CE
1
CE
2
BHE/BLE
OE
HIGH IMPEDANCE
DATA OUT
t
PU
V
CC
SUPPLY
CURRENT
Notes:
17. The device is continuously selected. OE, CE
18. WE is HIGH for read cycle.
19. Address valid before or similar to CE
Document #: 38-05490 Rev. *D
[17, 18]
t
AA
t
OHA
[18, 19]
t
RC
t
ACE
t
DBE
t
LZBE
t
DOE
t
LZOE
t
LZCE
50%
= V
, BHE and/or BLE = V
, and CE
1
IL
IL
, BHE, BLE transition LOW and CE
transition HIGH.
1
2
CY62157EV18 MoBL
t
RC
RC
DATA VALID
t
HZOE
DATA VALID
= V
.
2
IH
®
t
PD
t
HZCE
t
HZBE
HIGH
IMPEDANCE
I
CC
50%
I
SB
Page 6 of 12
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