參數(shù)資料
型號(hào): BQ3287EMT
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): XO, clock
英文描述: 1 TIMER(S), REAL TIME CLOCK, DMA24
封裝: ROHS COMPLIANT, MODULE, DIP-24
文件頁(yè)數(shù): 3/7頁(yè)
文件大小: 98K
代理商: BQ3287EMT
3
Sept. 1996 C
Power-Down/Power-Up Timing (TA =TOPR)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Conditions
tF
VCC slew from 4.5V to 0V
300
-
s
tR
VCC slew from 0V to 4.5V
100
-
s
tCSR
CS at VIH after power-up
20
-
200
ms
Internal write-protection
period after VCC passes VPFD
on power-up.
tDR
Data-retention and time-
keeping time
10
-
years
TA = 25°C.
Note:
Clock accuracy is better than
± 1 minute per month at 25°C for the period of tDR.
Caution:
Negative undershoots below the absolute maximum rating of -0.3V in battery-backup mode
may affect data integrity.
Power-Down/Power-Up Timing
bq3287E/bq3287EA
相關(guān)PDF資料
PDF描述
BU-61705G3-300 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743F4-100 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743G3-302 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743G4-410 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61745G4-202 2 CHANNEL(S), MIL-STD-1553 CONTROLLER, CQFP72
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