参数资料
型号: AT49F040T-90PI
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
中文描述: 512K X 8 FLASH 5V PROM, 90 ns, PDIP32
封装: 0.600 INCH, PLASTIC, DIP-32
文件页数: 6/12页
文件大小: 229K
代理商: AT49F040T-90PI
AT49F040/040T
6
AC Read Waveforms
(1)(2)(3)(4)
Notes:
1.
2.
CE may be delayed up to t
ACC
- t
CE
after the address transition without impact on t
ACC
.
OE may be delayed up to t
CE
- t
OE
after the falling edge of CE without impact on t
CE
or by t
ACC
- t
OE
after an address change
without impact on t
ACC
.
t
DF
is specified from OE or CE whichever occurs first (C
L
= 5 pF).
This parameter is characterized and is not 100% tested.
3.
4.
Input Test Waveforms and
Measurement Level
t
R
, t
F
< 5 ns
Output Test Load
Note:
1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol
Parameter
AT49F040-70
AT49F040-90
AT49F040-12
Units
Min
Max
Min
Max
Min
Max
t
ACC
Address to Output Delay
70
90
120
ns
t
CE
(1)
CE to Output Delay
70
90
120
ns
t
OE
(2)
OE to Output Delay
0
35
0
40
0
50
ns
t
DF
(3)(4)
CE or OE to Output Float
0
25
0
25
0
30
ns
t
OH
Output Hold from OE, CE or Address, whichever occurred first
0
0
0
ns
Pin Capacitance
(f = 1 MHz, T = 25°C)
(1)
Typ
Max
Units
Conditions
C
IN
4
6
pF
V
IN
= 0V
C
OUT
8
12
pF
V
OUT
= 0V
相关PDF资料
PDF描述
AT49F040T-90TC 4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F040T-90TI 4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F040 4 Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F040-12TC 4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F040-12TI 4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
相关代理商/技术参数
参数描述
AT49F040T-90TC 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F040T-90TI 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
AT49F080 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 1M x 8 5-volt Only Flash Memory
AT49F080-12CC 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 1M x 8 5-volt Only Flash Memory
AT49F080-12CI 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 1M x 8 5-volt Only Flash Memory