参数资料
型号: W29C020CT12N
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 120 ns, PDSO32
封装: TSOP1-32
文件页数: 8/27页
文件大小: 176K
代理商: W29C020CT12N
W29C020C
- 16 -
10. AC CHARACTERISTICS
AC Test Conditions
(VDD = 5.0V
±10 % for 90 nS and 120 nS; VDD = 5.0V ±5 % for 70 nS)
PARAMETER
CONDITIONS
Input Pulse Levels
0V to 3V
Input Rise/Fall Time
<5 nS
Input/Output Timing Level
1.5V/1.5V
Output Load
1 TTL Gate and CL = 100 pF for 90/120 nS
CL = 30 pF for 70 nS
AC Test Load and Waveform
+5V
1.8K
1.3K
D OUT
Ω
100 pF for 90/120 nS
30 pF for 70 nS
(Including Jig and Scope)
Input
3V
0V
Test Point
1.5V
Output
10.1 Read Cycle Timing Parameters
(VDD = 5.0V
±10 % for 90 nS and 120 nS; VDD = 5.0V ±5 % for 70 nS, VSS = 0V, TA = 0 to 70° C)
PARAMETER
SYM.
W29C020C-70 W29C020C-90 W29C020C-12 UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read Cycle Time
TRC
70
-
90
-
120
-
nS
Chip Enable Access Time
TCE
-
70
-
90
-
120
nS
Address Access Time
TAA
-
70
-
90
-
120
nS
Output Enable Access Time
TOE
-
35
-
40
-
50
nS
#CE High to High-Z Output
TCHZ
-
25
-
25
-
30
nS
#OE High to High-Z Output
TOHZ
-
25
-
25
-
30
nS
Output Hold from Address change
TOH
0
-
0
-
0
-
nS
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