upd70f3380 Renesas Electronics Corporation., upd70f3380 Datasheet - Page 66

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upd70f3380

Manufacturer Part Number
upd70f3380
Description
Upd70f3378 Datasheets
Manufacturer
Renesas Electronics Corporation.
Datasheet

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(T
3. 1. 15 RAM 保持フラグ特性
AV
注 検出電圧を検出して RAMF ビットをセットするまでの時間。
66
検出電圧
電源電圧立ち上がり時間
応答時間
最小V
A
SS
= −40∼+85℃, V
= 0 V, C
DD
L
= 50 pF)
検出電圧(MAX.)
検出電圧(TYP.)
検出電圧(MIN.)
動作電圧(MIN.)
動作電圧(MIN.)
検出電圧(MAX.)
検出電圧(TYP.)
検出電圧(MIN.)
DD
= V
DD1
V
t
t
t
μ
RAMHTH
RAMHD
RAMHW
V
V
RAMH
略 号
DD
DD
= EV
PD70F3378, 70F3379, 70F3380, 70F3381, 70F3382
LVIONビット = 0 → 1
DD
データ・シート(暫定) U18608JJ2V0DS
= BV
V
電源電圧が検出電圧(MAX.)に
達したあと
t
DD
RAMHTH
t
RAMHD
= 0 V → 3.3 V
t
LWAIT
DD
= 1.9 V∼5.5 V, 4.0 V≦AV
t
LD
t
RAMHW
t
LW
0.002
MIN.
REF0
1.9
0.2
≦5.5 V, V
t
RAMHD
t
LD
TYP.
2.0
0.2
SS
= V
時間
時間
SS1
MAX.
1800
= EV
2.1
2.0
SS
= BV
単 位
ms
ms
ms
SS
V
=

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