DS1270Y Maxim, DS1270Y Datasheet - Page 7

• Manufacturer Part Number: DS1270Y
• Description: The DS1270 16M Nonvolatile SRAMs are 16,777,216-bit, fully static nonvolatile SRAMs organized as 2,097,152 words by 8 bits
• Manufacturer: Maxim

8. If
9. Each DS1270 has a built-in switch that disconnects the lithium source until the user first applies V
10. All AC and DC electrical characteristics are valid over the full operating temperature range. For
11. In a power-down condition the voltage on any pin may not exceed the voltage on V
12. t
13. t
14. DS1270 modules are recognized by Underwriters Laboratories (UL) under file E99151.
DC TEST CONDITIONS
Outputs Open
Cycle = 200ns for operating current
All voltages are referenced to ground
ORDERING INFORMATION
DS1270AB-70#
DS1270AB-70IND#
DS1270Y-70#
DS1270Y-70IND#
#Denotes a RoHS-compliant device that may include lead(Pb) that is exempt under the RoHS requirements.
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix
character, but the drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE
the output buffers remain in a high-impedance state during this period.
The expected t
is first applied by the user. This parameter is assured by component selection, process control, and
design. It is not measured directly during production testing.
commercial products, this range is 0°C to 70°C. For industrial products (IND), this range is -40°C to
+85°C.
WR1
WR2
WE
PART
and t
and t
36 EDIP
is low or the
DH1
DH2
are measured from
are measured from
DR
is defined as accumulative time in the absence of V
WE
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
low transition occurs prior to or simultaneously with the
PACKAGE CODE
MDT36#2
CE
WE
going high.
going high.
TOLERANCE
5V ± 10%
5V ± 10%
SUPPLY
5V ± 5%
5V ± 5%
7 of 8
AC TEST CONDITIONS
Output Load: 100 pF + 1TTL Gate
Input Pulse Levels: 0.0 to 3.0 volts
Timing Measurement Reference Levels
Input pulse Rise and Fall Times: 5 ns
OUTLINE NO.
Input: 1.5V
Output: 1.5V
21-0245
PIN-PACKAGE
36 740 EDIP
36 740 EDIP
36 740 EDIP
36 740 EDIP
CC
starting from the time power
LAND PATTERN NO.
SPEED GRADE
CC
CE
.
—
Note that a “+”,
low transition,
(ns)
70
70
70
70
DS1270Y/AB
CC
.