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: 3/21页
文件大小: 303K
代理商: W29C022-90
W29C022
Publication Release Date: April 2001
- 11 -
Revision A2
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
CAPACITANCE
(VDD = 5.0V, TA = 25
° C, f = 1 MHz)
PARAMETER
SYMBOL
CONDITIONS
MAX.
UNIT
DQ Pin Capacitance
CDQ
VDQ = 0V
12
pF
Input Pin Capacitance
CIN
VIN = 0V
6
pF
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
DOUT
100 pF for 90/120 nS
30 pF for 70 nS
(Including Jig and Scope)
Input
3V
0V
Test Point
1.5V
Output
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