Cypress CY62146DV30 Hoja de especificaciones - Página 6
Navegue en línea o descargue pdf Hoja de especificaciones para Hardware informático Cypress CY62146DV30. Cypress CY62146DV30 12 páginas. 4-mbit (256k x 16) static ram
Imprimir páginaSwitching Waveforms
Read Cycle 1 (Address Transition Controlled)
ADDRESS
DATA OUT
PREVIOUS DATA VALID
Read Cycle No. 2 (OE Controlled)
ADDRESS
CE
OE
BHE/BLE
HIGH IMPEDANCE
DATA OUT
t
PU
V
CC
SUPPLY
CURRENT
Notes:
16. The device is continuously selected. OE, CE = V
17. WE is HIGH for read cycle.
18. Address valid prior to or coincident with CE and BHE, BLE transition LOW.
Document #: 38-05339 Rev. *A
[16, 17]
t
AA
t
OHA
[17, 18]
t
RC
t
ACE
t
DOE
t
LZOE
t
DBE
t
LZBE
t
LZCE
50%
, BHE and/or BLE = V
.
IL
IL
t
RC
DATA VALID
DATA VALID
CY62146DV30
t
PD
t
HZCE
t
HZOE
t
HZBE
HIGH
IMPEDANCE
I
CC
50%
I
SB
Page 6 of 11
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