Cypress CY62128B Spezifikation - Seite 6

Blättern Sie online oder laden Sie pdf Spezifikation für Computer Hardware Cypress CY62128B herunter. Cypress CY62128B 12 Seiten. Mobl 1-mbit (128k x 8) static ram

Switching Waveforms
Read Cycle No. 2 (OE Controlled)
ADDRESS
CE
1
CE
2
OE
HIGH IMPEDANCE
DATA OUT
t
V
CC
SUPPLY
CURRENT
Write Cycle No. 1 (CE
or CE
1
ADDRESS
CE
1
CE
2
WE
DATA I/O
Notes:
14. Address valid prior to or coincident with CE
15. Data I/O is high impedance if OE = V
16. If CE
goes HIGH or CE
goes LOW simultaneously with WE going HIGH, the output remains in a high-impedance state.
1
2
Document #: 38-05300 Rev. *C
(continued)
[13, 14]
t
t
ACE
t
DOE
t
LZOE
t
LZCE
PU
50%
[15, 16]
Controlled)
2
t
SA
t
AW
transition LOW and CE
transition HIGH.
1
2
.
IH
RC
DATA VALID
t
WC
t
SCE
t
SCE
t
PWE
t
SD
DATA VALID
CY62128B
MoBL
t
HZOE
t
HZCE
HIGH
IMPEDANCE
t
PD
50%
t
HA
t
HD
Page 6 of 11
®
I
CC
I
SB
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