参数资料
型号: AT27C1024-45PU
厂商: Atmel
文件页数: 5/13页
文件大小: 0K
描述: IC OTP 1MBIT 45NS 40DIP
标准包装: 10
格式 - 存储器: EPROMs
存储器类型: EPROM OTP
存储容量: 1M (64K x 16)
速度: 45ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 40-DIP(0.600",15.24mm)
供应商设备封装: 40-PDIP
包装: 管件
Atmel AT27C1024
Figure 5-1.
AC waveforms for read operation (1)
Notes:
1. Timing measurement reference level is 1.5V for -45. Input AC drive levels are V IL = 0.0V and V IH = 3.0V. Timing measure-
ment reference levels for all other speed grades are V OL = 0.8V and V OH = 2.0V. Input AC drive levels are V IL = 0.45V and
V IH = 2.4V.
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.
Table 5-5.
Pin capacitance
f = 1MHz, T = 25°C (1)
Symbol
C IN
C OUT
Typ
4
8
Max
10
12
Units
pF
pF
Conditions
V IN = 0V
V OUT = 0V
Note:
1. Typical values for nominal supply voltage. This parameter is only sampled, and is not 100% tested.
Figure 5-2.
Input test waveforms and measurement levels
For -45 devices only:
t R , t F < 5ns (10% to 90%)
For -70 devices only:
t R , t F < 20 ns (10% to 90%)
5
0019N–EPROM–4/11
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