LH52256C-70LL Sharp Microelectronics, LH52256C-70LL Datasheet - Page 4

• 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

LH52256C/CH
DC ELECTRICAL CHARACTERISTICS (T
NOTE:
AC ELECTRICAL CHARACTERISTICS
AC Test Conditions
NOTE:
1. Including scope and jig capacitance.
READ CYCLE (T
NOTES:
1. Active output to high-impedance and high-impedance to output active tests specified for a 200 mV
4
Input leakage
current
Output leakage
current
Operating supply
current
Standby current
Output voltage
Input pulse level
Input rise and fall time
Input and output timing Ref. level
Output load
Read cycle time
Address access time
CE access time
Output enable to output valid
Output hold from address change
CE Low to output active
OE Low to output active
CE High to output in High impedance
OE High to output in High impedance
Typical values at V
transition from steady state levels into the test load.
PARAMETER
PARAMETER
PARAMETER
CC
= 5.0 V, T
SYMBOL
A
I
V
= 0 C to +70 C, V
I
V
I
I
CC1
I
SB1
I
CC
LO
SB
OH
LI
OL
A
= 25 C
t
Minimum cycle, V
RC
, t
1 TTL + C
WC
CE = V
I
I
I/O
I/O
0.6 V to 2.4 V
CE
V
V
= 1 s, V
SYMBOL
I/O
I
IN
= 0 mA, CE = V
= 0 mA, CE = V
CONDITIONS
I
OH
OL
MODE
t
t
10 ns
t
1.5 V
t
t
t
ACE
t
t
OHZ
CE = V
OLZ
t
= 0 V to V
OH
RC
AA
OE
HZ
= 0 V to V
LZ
IH
V
= -1.0 mA
CC
= 2.1 mA
L
CC
or OE = V
(100 pF)
= 4.5 V to 5.5 V)
– 0.2 V
IN
IN
IH
A
= V
= V
CC
CC
= 0 C to +70 C, V
MIN.
70
10
10
IL
IL
5
0
0
IH
IL
IL
or V
or V
IH
IH
,
NOTE
MAX.
70
70
35
30
30
1
–1.0
–1.0
MIN.
2.4
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
CMOS 256K (32K
TYP.
= 4.5 V to 5.5 V)
0.6
25
NOTE
1
1
1
1
MAX.
45.0
10.0
40.0
1.0
1.0
3.0
0.4
UNIT
mA
mA
V
8) Static RAM
A
A
A