参数资料
型号: W29C022-90
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PDIP32
封装: 0.600 INCH, PLASTIC, DIP-32
文件页数: 5/21页
文件大小: 303K
代理商: W29C022-90
W29C022
Publication Release Date: April 2001
- 13 -
Revision A2
AC Characteristics, continued
#DATA Polling Characteristics (1)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Data Hold Time
TDH
10
-
nS
#OE Hold Time
TOEH
10
-
nS
#OE to Output Delay (2)
TOE
-
nS
Write Recovery Time
TWR
0
-
nS
Notes: (1) These parameters are characterized and not 100% tested.
(2) See TOE spec in A.C. Read Cycle Timing Parameters.
Toggle Bit Characteristics (1)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Data Hold Time
TDH
10
-
nS
#OE Hold Time
TOEH
10
-
nS
#OE to Output Delay (2)
TOE
-
nS
#OE High Pulse
TOEHP
150
-
nS
Write Recovery Time
TWR
0
-
nS
Notes: (1) These parameters are characterized and not 100% tested.
(2) See TOE spec in A.C. Read Cycle Timing Parameters.
TIMING WAVEFORMS
Read Cycle Timing Diagram
Address A17-0
DQ7-0
Data Valid
High-Z
#CE
#OE
#WE
TRC
VIH
TOE
TCE
TOH
TAA
T CHZ
TOHZ
High-Z
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