LH52256C-70LL Sharp Microelectronics, LH52256C-70LL Datasheet - Page 3

• Manufacturer Part Number: LH52256C-70LL
• Description: IC SRAM 256KBIT 70NS 28DIP
• Manufacturer: Sharp Microelectronics

Specifications of LH52256C-70LL

• Rohs Status: RoHS non-compliant
• Format - Memory: RAM
• Memory Type: SRAM
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Other names: 425-1833-5

CMOS 256K (32K
TRUTH TABLE
NOTE:
1. X = Don’t care, L = Low, H = High
ABSOLUTE MAXIMUM RATINGS
NOTES:
1. The maximum applicable voltage on any pin with respect to GND.
2. Undershoot of -3.0 V is allowed width of pulse below 50 ns.
RECOMMENDED DC OPERATING CONDITIONS (T
NOTE:
1. Undershoot of -3.0 V is allowed width of pulse below 50 ns.
Supply voltage
Input voltage
Operating temperature
Storage temperature
Supply voltage
Input voltage
CE
H
L
L
L
PARAMETER
PARAMETER
WE
X
H
H
L
8) Static RAM
OE
H
X
X
L
SYMBOL
V
V
V
CC
IH
IL
SYMBOL
Output disable
T
T
V
V
OPR
STG
Standby
CC
IN
MODE
Write
Read
MIN.
–0.5
4.5
2.2
–0.5 to V
–0.5 to +7.0
–65 to +150
0 to +70
RATING
High impedance
High impedance
Data output
Data input
I/O
CC
TYP.
5.0
1
+ 0.5
- I/O
8
V
CC
MAX.
5.5
0.8
A
+ 0.5
UNIT
V
V
= 0 C to +70 C)
C
C
SUPPLY CURRENT
Standby (I
Active (I
Active (I
Active (I
UNIT
NOTE
V
V
V
1, 2
1
CC
CC
CC
SB
)
)
)
)
NOTE
1
NOTE
1
1
1
1
LH52256C/CH
3