UPD444012AGY-B10X-MJH NEC [NEC], UPD444012AGY-B10X-MJH Datasheet - Page 17

• Manufacturer Part Number: UPD444012AGY-B10X-MJH
• Description: 4M-BIT CMOS STATIC RAM 256K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
• Manufacturer: NEC [NEC]

Data Retention Timing Chart
Note B version : 2.7 V, C version : 2.2 V
Remark
Note B version : 2.7 V, C version : 2.2 V
Remark
(1) /CE1 Controlled
(2) CE2 Controlled
V
V
V
CC
V
On the data retention mode by controlling /CE1, the input level of CE2 must be
The other pins (Address, I/O, /WE, /OE, /LB, /UB) can be in high impedance state.
CC
On the data retention mode by controlling CE2, The other pins (/CE1, Address, I/O, /WE, /OE, /LB, /UB)
can be in high impedance state.
CCDR
CCDR
V
V
V
(MIN.)
V
(MIN.)
IL
IH
IL
IH
(MAX.)
(MAX.)
(MIN.)
(MIN.)
(MIN.)
(MIN.)
GND
GND
V
Note
V
Note
CC
CC
t
CDR
t
CDR
CE2
/CE1
Data Sheet M14464EJ5V0DS
Data retention mode
Data retention mode
/CE1
CE2
V
CC
0.2 V
– 0.2 V
t
t
R
R
V
PD444012A-X
CC
0.2 V or
0.2 V.
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