参数资料
型号: AT27BV4096-12VI
厂商: Atmel
文件页数: 10/14页
文件大小: 0K
描述: IC OTP 4MBIT 120NS 40VSOP
标准包装: 160
格式 - 存储器: EPROMs
存储器类型: EPROM OTP
存储容量: 4M (256K x 16)
速度: 120ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V,4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 40-TFSOP(0.488",12.40mm 宽)
供应商设备封装: 40-VSOP
包装: 托盘
其它名称: AT27BV409612VI
18. Rapid Programming Algorithm
A 50 μs CE pulse width is used to program. The address is set to the first location. V CC is raised
to 6.5V and V PP is raised to 13.0V. Each address is first programmed with one 50 μs CE pulse
without verification. Then a verification/reprogramming loop is executed for each address. In the
event a word fails to pass verification, up to 10 successive 50 μ s pulses are applied with a verifi-
cation after each pulse. If the word fails to verify after 10 pulses have been applied, the part is
considered failed. After the word verifies properly, the next address is selected until all have
been checked. V PP is then lowered to 5.0V and V CC to 5.0V. All words are read again and com-
pared with the original data to determine if the device passes or fails.
START
ADDR = FIRST LOCATION
VCC = 6.5V
VPP = 13.0V
PROGRAM ONE 50 μS PULSE
INCREMENT ADDRESS
NO
LAST
ADDR.?
YES
ADDR = FIRST LOCATION
INCREMENT ADDRESS
NO
X=0
LAST
ADDR.?
PASS
VERIFY
WORD
FAIL
INCREMENT X
YES
PROGRAM ONE 50 μS PULSE
VCC = 5.0V
VPP = 5.0V
NO
X = 10?
YES
10
AT27BV4096
COMPARE
ALL WORDS
TO ORIGINAL
DATA
PASS
DEVICE
PASSED
FAIL
DEVICE
FAILED
0640E–EPROM–8/07
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