參數(shù)資料
型號(hào)： BM29F400T-90TC
英文描述： x8/x16 Flash EEPROM
中文描述： x8/x16閃存EEPROM
文件頁(yè)數(shù)： 19/37頁(yè)
文件大小： 265K
代理商： BM29F400T-90TC
BRIGHT
Microelectronics
Inc.
BM29F400T/BM29F400B
A Winbond Company
- 19 -
Publication Release Date: December 1999
Revision A2
START
Read Byte(DQ0-DQ7)
Addr = Don't care
DQ6 = Toggle
NO
DQ5 = 1
YES
YES
Fail
Pass
YES
Read Byte (DQ0-DQ7)
Addr = Don't care
DQ6 = Toggle
NO
NO
Figure 4. Toggle Bit Algorithm
Note:
DQ6 is rechecked even if DQ5 = logical "1" because DQ6 may stop toggling at the same time as DQ5 changing to a logical
"1".
Absolute Maximum Ratings
PARAMETER
RATING
-65 to +125
UNIT
°
C
Storage Temperature
Plastic Packages
Ambient Temperature
With Power Applied
Voltages with Respect to Ground
All pins except A9 (Note 1)
Vcc (Note 1); A9 (Note 2)
-55 to +125
°
C
-2 to +7
-2 to +7
-2 to +14
200
V
Output Short Circuit Current (Note 4)
mA
Notes :
1. Minimum DC voltage on input or I/O pins is -0.5V.
During voltage transitions, inputs may overshoot Vss to -2.0V for periods of up to 20 nS. Maximum DC voltage on output and I/O
pins is Vcc +0.5V. During Voltage transitions, outputs may overshoot to Vcc +2.0V for periods up to 20 nS.
2. Minimum DC input voltage on A9 pin is -0.5V. During voltage transitions, A9 may overshoot Vss to -2.0V for periods of up to
20 nS. Maximum DC input voltage on A9 is +12.5V which may overshoot to 14.0V for periods of up to 20 nS.
3. No more than one output shorted at a time. Duration of the short circuit should not be greater than one second.
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