4 / 8 page
CY62128
4
PRELIMINARY
tHD
Data Hold from Write End
0
0
ns
tLZWE
WE HIGH to Low Z[8]
5
5
ns
tHZWE
WE LOW to High Z[7,8]
20
25
ns
Shaded area contains advanced information.
Switching Characteristics[3,6] Over the Operating Range (continued)
62128–55
62128–70
Parameter
Description
Min.
Max.
Min.
Max.
Unit
Switching Waveforms
Read Cycle No.1[10,11]
Read Cycle No. 2 (OE Controlled)[11,12]
Notes:
10. Device is continuously selected. OE, CE1 = VIL, CE2 = VIH.
11.
WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE1 transition LOW and CE2 transition HIGH.
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
62128-5
ADDRESS
DATA OUT
62128-6
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tHZCE
tPD
HIGH
OE
CE1
ICC
ISB
IMPEDANCE
ADDRESS
CE2
DATA OUT
VCC
SUPPLY
CURRENT