Rainbow-electronics DS1315 Manual de usuario descargar pdf (Pagina 9)

DS1315

041697 9/22

DC POWER DOWN ELECTRICAL CHARACTERISTICS (0°C to 70°C; V

< 4.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

CEO Output Voltage V

CEO

CCI

–0.2

or V

BAT1,2

–0.2

V 8

BAT1

or V

BAT2

Battery Current I

BAT

0.5 µA 6

Battery Backup Current

@ V

CCO

= V

BAT

–0.2V

CCO2

10 µA 9

AC ELECTRICAL OPERATING CHARACTERISTICS

ROM/RAM

= GND (0°C to 70°C; V

= 5.0 ± 10%)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Read Cycle Time t

65 ns

CEI Access Time t

55 ns

OE Access Time t

55 ns

CEI to Output Low Z t

COE

5 ns

OE to Output Low Z t

OEE

5 ns

CEI to Output High Z t

25 ns

OE to Output High Z t

ODO

25 ns

Read Recovery t

10 ns

Write Cycle t

65 ns

Write Pulse Width t

55 ns

Write Recovery t

10 ns 4

Data Setup t

30 ns 5

Data Hold Time t

0 ns 5

CEI Pulse Width t

60 ns

OE Pulse Width t

55 ns

RST Pulse Width t

RST

65 ns

CEI Propagation Delay t

5 ns 2, 3, 11

CEI High to Power–Fail t

0 ns 11

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 21 22

Phantom Time Chip 1
TIMING BLOCK DIAGRAM Figure 1 2
PIN DESCRIPTION 2
DESCRIPTION 2
OPERATION 2
041697 3/22 3
AM–PM/12/24 MODE 6
OSCILLATOR AND RESET BITS 6
ZERO BITS 6
°C to 70°C; V 10
Figure 8 15
Figure 9 15
°C to 70°C) 16
OUTPUT LOAD Figure 15 19
DS1315 TIME CHIP 16–PIN DIP 20
DS1315 TIME CHIP 16–PIN SOIC 21
DS1315 TIME CHIP 20–PIN TSSOP 22

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Rainbow-electronics DS1315 Manual de usuario Pagina 9

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