參數資料
型號: μPD23C16040AL
廠商: NEC Corp.
英文描述: 16M-Bit MASK-Programmable ROM(16M位 掩膜可編程ROM)
中文描述: 1,600位掩膜可編程ROM(1,600位掩膜可編程光盤)
文件頁數: 18/28頁
文件大小: 260K
代理商: ΜPD23C16040AL
Preliminary Data Sheet
18
μ
PD441000L-X
Data Retention Timing Chart
(1) /CE1 Controlled
t
CDR
Data retention mode
V
IH
(MIN. )
V
CCDR
(MIN. )
V
IL
(MAX. )
t
R
V
CC
/CE1
/CE1
V
CC
– 0.2 V
GND
3.0 V
Note
V
CC
(MIN.)
Note
B version: 2.7 V, C version: 2.2 V, D version: 1.8 V
Remark
On the data retention mode by controlling /CE1, the input level of CE2 must be CE2
V
CC
0.2 V or CE2
0.2 V. The other pins (Address, I/O, /WE, /OE) can be in high impedance state.
(2) CE2 Controlled
t
CDR
Data retention mode
3.0 V
V
IH
(MIN. )
V
CCDR
(MIN. )
V
IL
(MAX. )
t
R
V
CC
CE2
CE2
0.2 V
GND
Note
V
CC
(MIN.)
Note
B version: 2.7 V, C version: 2.2 V, D version: 1.8 V
Remark
The other pins (/CE1, Address, I/O, /WE, /OE) can be in high impedance state.
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