DS1345Y Maxim, DS1345Y Datasheet - Page 9

• Manufacturer Part Number: DS1345Y
• Description: The DS1345 1024k Nonvolatile (NV) SRAMs are 1,048,576-bit, fully static, NV SRAMs organized as 131,072 words by 8 bits
• Manufacturer: Maxim

9. Each DS1345 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.
15. DS1345 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
DS1345ABP-70+
DS1345ABP-70IND+
DS1345YP-70+
DS1345YP-70IND+
+Denotes a lead(Pb)-free/RoHS-compliant package.
*DS9034PC+ or DS9034PCI+ (PowerCap) required. Must be ordered separately.
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
that a “+”, “#”, 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 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.
connected to these pins for proper operation. Both pins will sink 10mA.
RST
WR1
WR2
34 PCAP
and t
and t
PART
and
DH1
DH2
BW
are measured from
are measured from
DR
are open-drain outputs and cannot source current. External pullup resistors should be
is defined as accumulative time in the absence of V
PACKAGE CODE
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
PC2+3
WE
CE
going high.
going high.
AC TEST CONDITIONS
Output Load: 100 pF + 1TTL Gate
Input Pulse Levels: 0 – 3.0V
Timing Measurement Reference Levels
Input pulse Rise and Fall Times: 5ns
9 of 10
TOLERANCE
OUTLINE NO.
Input: 1.5V
Output: 1.5V
5V ± 10%
5V ± 10%
SUPPLY
5V ± 5%
5V ± 5%
21-0246
CC
starting from the time power
PIN-PACKAGE
34 PCAP*
34 PCAP*
34 PCAP*
34 PCAP*
PATTERN NO.
CC
.
LAND
—
DS1345Y/AB
Note
CC
.