参数资料
型号: AT27C020-10JC
厂商: Atmel
文件页数: 5/14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
Figure 5-1.
AC waveforms for read operation (1)
Notes:
1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
2. OE may be delayed up to t CE - t OE after the falling edge of CE without impact on t CE .
3. OE may be delayed up to t ACC - t OE after the address is valid without impact on t ACC .
4. This parameter is only sampled, and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
Figure 5-2.
Input test waveforms and measurement levels
For -55 devices only:
3.0V
AC
AC
DRIVING
LEVELS
1.5V
MEASUREMENT
LEVEL
0.0V
t R , t F < 5ns (10% to 90%)
For -90 devices only:
t R , t F < 20ns (10% to 90%)
Figure 5-3.
Output test load
Note:
CL = 100pF including jig capacitance, except -55 devices, where CL = 30pF
5
0570H–EPROM–4/11
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