DS1222 Dallas, DS1222 Datasheet - Page 3
DS1222
Manufacturer Part Number
DS1222
Description
BankSwitch Chip
Manufacturer
Dallas
Datasheet
1.DS1222.pdf
(4 pages)
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ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground
Operating Temperature
Storage Temperature
RECOMMENDED DC OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
CAPACITANCE
AC ELECTRICAL CHARACTERISTICS
NOTES:
1. All voltages are referenced to ground.
2. Measured with a load as shown in Figure 1.
Power Supply Voltage
Logic 1
Logic 0
Input Leakage Current
I/O Leakage Current
Output Current @ 2.4V
Output Current @ 0.4V
Operating Current
Input Capacitance
Input/Output Capacitance
Address Setup
Address Hold
Read Recovery
Propagation Delay
Power Fail Input to First
Chip Enable Low
This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
PARAMETER
PARAMETER
PARAMETER
PARAMETER
CEI
SYMBOL
SYMBOL
SYMBOL
SYMBOL
V
C
V
V
C
t
I
I
t
I
I
t
t
t
I
t
CW
OH
AH
LO
OL
CC
AS
RR
PD
PF
IL
CC
I/O
IH
IN
IL
3 of 4
MIN
MIN
MIN
MIN
-0.3
-1.0
-1.0
-1.0
110
4.5
2.2
50
40
50
5
-0.3V to +7.0V
0 C to 70 C
-55 C to +125 C
TYP
TYP
TYP
TYP
5.0
5
5
(0 C to 70 C; V
(0 C to 70 C; V
V
MAX
MAX
MAX
MAX
+0.8
+1.0
+1.0
+4.0
CC
5.5
15
10
10
15
+0.3
UNITS
UNITS
UNITS
UNITS
CC
CC
mA
mA
mA
pF
pF
ns
ns
ns
ns
ns
ns
V
V
V
(0 C to 70 C)
A
A
= 5V 10%)
= 5V 10%)
(T
A
NOTES
NOTES
NOTES
NOTES
= 25 C)
1
1
1
2
2
2
DS1222