DS1200S+ Maxim Integrated, DS1200S+ Datasheet - Page 7

• Manufacturer Part Number: DS1200S+
• Description: SRAM
• Manufacturer: Maxim Integrated
• Series: DS1200r

Specifications of DS1200S+

• Rohs: yes
• Part # Aliases: 90-1200S+000

AC ELECTRICAL CHARACTERISTICS
NOTES:
1) All voltages and resistances are referenced to ground.
2) Input levels apply to CLK, DQ, and
3) Measured at V
4) Measured at V
5) For CLK, DQ,
6) Load capacitance = 50pF.
7) Applies to
8) Measured with outputs open.
9) Measured at VIH of
10) Logic 1 maximum is V
11)
12) Each DS1200 is marked with a four-digit date code AABB. AA designates the year of manufacture.
13) Average AC
14) When
Data to CLK Setup
Data to CLK Hold
Data to CLK Delay
CLK Low Time
CLK High Time
CLK Frequency
CLK Rise and Fall
CLK to RST Hold
RST
RST
RST
reverts to V
supplies power.
supplies power.
BB designates the week of manufacture. The expected t
manufacture.
Applying the above formula, a load capacitance of 50pF running at a frequency of 4.0MHz gives an
I
RST
TOTAL
to Clock Setup
Inactive Time
to I/O High-Z
PARAMETER
logic 1 maximum is V
current of 5mA.
RST
RST
IHE
is supplying power, t
RST
.
IH
OH
RST
when V
= 2.0 or V
= 2.4V and V
current can be determined using the following formula:
, and V
RST
I
CC
TOTAL
CC
+ 0.3V if the V
greater than or equal to 3.8V when
I
TOTAL
< 3.8V.
CC
IL
CC
= 0.8V and 10ns maximum rise and fall time.
and I
SYMBOL
at 5V.
+ 0.3V if the V
OL
= 2 + I
CWH
t
t
t
f
t
tCDH
t
R
t
t
CWH
CDD
t
t
CCH
= 0.4V.
CLK
CDZ
LOAD
DC
CH
CC
CL
, t
RST
F
must be increased to 100ms.
LOAD
are in mA; CL is in pF; f is in MHz.
CC
while V
pin supplies power and
DC + (4 x 10
CC
MIN
7 of 7
125
125
125
DC
35
40
40
1
pin supplies power and 5.5V maximum if
CC
is not connected to the tag, then
DR
-3
is defined as starting at the date of
TYP
)(CL + 140)f
(0ºC to +70ºC; V
RST
supplies power.
RST
MAX
125
500
4.0
50
+0.3V if the
UNITS
MHz
CC
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
RST
= 5V ± 10%)
RST
input
RST
pin
3, 4, 6, 9
NOTES
3, 9, 14
3, 9
3, 9
3, 9
3, 9
3, 9
3, 9
3, 9
3, 9
9