DS1244Y-70+ Dallas Semiconductor, DS1244Y-70+ Datasheet - Page 8

• Manufacturer Part Number: DS1244Y-70+
• Description: SRAM, Nonvolatile, 32K x 8, 70 nS, EDIP28
• Manufacturer: Dallas Semiconductor

Specifications of DS1244Y-70+

• Capacitance, Input: 5 pF
• Capacitance, Output: 5 pF
• Current, Input, Leakage: ±1 μA
• Current, Operating: 85 mA
• Current, Output, Leakage: ±1
• Data Retention: 10 yrs.
• Density: 256K
• Interface: Parallel Bus
• Memory Type: Non-Volatile SRAM
• Organization: 32K×8
• Package Type: EMOD
• Temperature, Operating: 0 to +70 °C
• Time, Access: 70 ns
• Time, Address Hold: 5
• Time, Fall: 5 ns
• Time, Rise: 5 ns
• Voltage, Input, High: 5.3 V
• Voltage, Input, Low: 0.8 V
• Voltage, Supply: 5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

POWER-DOWN/POWER-UP TIMING
V
V
V
V
Expected Data Retention Time
Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when
device is in battery-backup mode.
CE
CE
CC
PF(MIN)
CC
PF(MIN)
at V
at V
Slew from V
Slew from V
(
(
IH
IH
PARAMETER
CE
CE
PARAMETER
before Power-Down
after Power-Up
at V
at V
IH
IH
PF(MAX)
PF(MAX)
)
)
to
to
SYMBOL
SYMBOL
t
t
t
REC
t
t
DR
PD
R
F
MIN
MIN
300
13 of 19
1.5
10
0
0
TYP
TYP
Over the operating range (3.3V)
MAX
MAX
2.5
UNITS
UNITS
years
ms
m s
m s
m s
(T
A
= +25°C)
NOTES
NOTES
9