参数资料
型号: AT27C020-10JC
厂商: Atmel
文件页数: 7/14页
文件大小: 0K
描述: IC OTP 2MBIT 100NS 32PLCC
标准包装: 32
格式 - 存储器: EPROMs
存储器类型: EPROM OTP
存储容量: 2M (256K x 8)
速度: 100ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 32-LCC(J 形引线)
供应商设备封装: 32-PLCC
包装: 管件
Atmel AT27C020
Table 5-6.
DC programming characteristics
T A = 25 ± 5°C, V CC = 6.5 ± 0.25V, V PP = 13.0 ± 0.25V
Limits
Symbol
Parameter
Test conditions
Min
Max
Units
I LI
V IL
V IH
V OL
Input load current
Input low level
Input high level
Output low voltage
V IN = V IL , V IH
I OL = 2.1mA
-0.6
2.0
? 10
0.8
V CC + 1.0
0.4
μA
V
V
V
V OH
I CC2
Output high voltage
V CC supply current (program and verify)
I OH = -400μA
2.4
40
V
mA
I PP2
V ID
V PP supply current
A9 product identification voltage
CE = PGM = V IL
11.5
20
12.5
mA
V
Table 5-7.
AC programming characteristics
T A = 25 ± 5°C, V CC = 6.5 ± 0.25V,V PP = 13.0 ± 0.25V
Limits
Symbol
Parameter
Test condition
(1)
Min
Max
Units
t AS
t CES
Address setup time
CE setup time
2
2
μs
μs
t OES
t DS
t AH
t DH
OE setup time
Data setup time
Address hold time
Data hold time
Input rise and fall times:
(10% to 90%) 20ns
Input pulse levels:
0.45V to 2.4V
2
2
0
2
μs
μs
μs
μs
t DFP
t VPS
t VCS
OE high to output float delay
V PP setup time
V CC setup time
(2)
Input timing reference level:
0.8V to 2.0V
0
2
2
130
ns
μs
μs
t PW
t OE
PGM program pulse width
Data valid from OE
(3)
Output timing reference level:
0.8V to 2.0V
95
105
150
μs
ns
t PRT
V PP pulse rise time during
programming
50
ns
Notes:
1. V CC must be applied simultaneously with or before V PP and removed simultaneously with or after V PP .
2. This parameter is only sampled and is not 100% tested. Output float is defined as the point where data is no longer driven.
See timing diagram.
3. Program pulse width tolerance is 100μs ± 5%.
7
0570H–EPROM–4/11
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