M48T08-100PC View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M48T08-100PC Datasheet PDF : 73 Pages
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Figure 3. Block Diagram
M48Z08, M48Z18
LITHIUM
CELL
VOLTAGE SENSE
AND
SWITCHING
CIRCUITRY
POWER
VPFD
8K x 8
SRAM ARRAY
A0-A12
DQ0-DQ7
E
W
G
VCC
VSS
AI01394
DESCRIPTION (cont’d)
The M48Z08,18 is a non-volatile pin and function
equivalent to any JEDEC standard 8K x 8 SRAM.
It also easily fits into many ROM, EPROM, and
EEPROM sockets, providing the non-volatility of
PROMs without any requirement for special write
timing or limitations on the number of writes that
can be performed.
The 28 pin 600mil DIP CAPHAT™ houses the
M48Z08,18 silicon with a long life lithium button cell
in a single package.
The 28 pin 330mil SO provides sockets with gold
plated contacts at both ends for direct connection
to a separate SNAPHAT™ housing containing the
battery. The unique design allows the SNAPHAT
battery package to be mounted on top of the SO
package after the completion of the surface mount
process. Insertion of the SNAPHAT housing after
reflow prevents potential battery damage due to the
high temperatures required for device surface-
mounting. The SNAPHAT housing is keyed to pre-
vent reverse insertion.
The SO and battery packages are shipped sepa-
rately in plastic anti-static tubes. The SO package
is also available to ship in Tape & Reel form.
AC MEASUREMENT CONDITIONS
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref. Voltages
≤ 5ns
0 to 3V
1.5V
Note that Output Hi-Z is defined as the point where data
is no longer driven.
Figure 4. AC Testing Load Circuit
5V
DEVICE
UNDER
TEST
1kΩ
1.8kΩ
OUT
CL = 100pF or 30pF
CL includes JIG capacitance
AI01398
3/15
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