參數(shù)資料
型號: W49F002UP90BN
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 9/30頁
文件大?。?/td> 0K
代理商: W49F002UP90BN
W49F002U
Publication Release Date: April 19, 2005
- 17 -
Revision A7
8.3 Power-up Timing
PARAMETER
SYMBOL
TYPICAL
UNIT
Power-up to Read Operation
TPU. READ
100
S
Power-up to Write Operation
TPU. WRITE
5
mS
9. CAPACITANCE
(VDD = 5.0V, TA = 25
° C, f = 1 MHz)
PARAMETER
SYMBOL
CONDITIONS
MAX.
UNIT
I/O Pin Capacitance
CI/O
VI/O = 0V
12
pF
Input Capacitance
CIN
VIN = 0V
6
pF
10. AC CHARACTERISTICS
10.1 AC Test Conditions
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 = 30pF (for 70 nS/ 90 nS), 100 pF (for 120 nS)
10.2 AC Test Load and Waveform
+5V
1.8K
1.3K
DOUT
30 pF for 70nS / 90nS
(Including Jig and Scope)
Input
3V
0V
Test Point
1.5V
Output
100 pF for 120nS
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