Rainbow Electronics DDS1693 - Manual (Page 24)

DS1689/DS1693
24 of 32
DC ELECTRICAL CHARACTERISTICS
Over the operating range (3V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Average V
CC
Power Supply Current I
CC1
5 10 mA 2, 3
CMOS Standby Current ( CS =V
CC
-0.2V)
I
CC2
0.5 2 mA 2, 3
Input Leakage Current (any input) I
IL
-1 +1 mA
CEI Input Leakage
I
CEI
-160 +1 mA 15
PSEL Input Leakage I
PSEL
+1 -160 mA 16
Output Leakage Current I
OL
+160 -1 mA 8
Output Logic 1 Voltage (I
OUT
= 0.4 mA) V
OH
2.4 V
Output Logic 0 Voltage (I
OUT
= 0.8 mA) V
OL
0.4 V
Output Voltage V
CCO1
V
CC
-0.3
V 4
Output Current I
CCO1
50 mA 4
Power-Fail Trip Point V
PF
2.5 2.6 2.7 V 5
Output Voltage V
CCO2
V
BAT
-0.3
V 6
Output Current I
CCO2
100 mA 6
Battery Leakage OSC ON I
BAT1
500 1000 nA
Battery Leakage OSC OFF I
BAT2
50 150 nA 17
I/O Leakage I
LO
-1 +1 mA 7
PWR Output @ 0.4V
I
OLPWR
4 mA 1
CEI to CEO Impedance
Z
CE
120 W 12
RTC AC TIMING CHARACTERISTICS
Over the operating range (3V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Cycle Time t
CYC
915 DC ns
Pulse Width, RD / WR Low
PW
RWL
375 ns
Pulse Width, RD / WR High
PW
RWH
450 ns
Input Rise and Fall Time t
R
, t
F
30 ns
Chip Select Setup Time Before WR , or RD
t
CS
75 ns
Chip Select Hold Time t
CH
0 ns
Read Data Hold Time t
DHR
10 120 ns
Write Data Hold Time t
DHW
0 ns
Muxed Address Valid Time to ALE Fall t
ASL
90 ns
Muxed Address Hold Time from ALE Fall t
AHL
30 ns
RD or WR High Setup to ALE Rise
t
ASD
30 ns
Pulse Width ALE High PW
ASH
180 ns
ALE Low Setup to RD or WR Fall
t
ASED
120 ns
Output Data Delay Time from RD
t
DDR
20 370 ns 9
Data Setup Time t
DSW
180 ns
IRQ Release from RD
t
IRD
2 ms
CEI to CEO Delay
t
CED
20 ns