BS62LV256PIP55 BSI (BRILLIANCE SEMICONDUCTOR), BS62LV256PIP55 Datasheet - Page 4

• Manufacturer Part Number: BS62LV256PIP55
• Description: SRAM 256K, 32KX8, 2.4-5.5V, PDIP28
• Manufacturer: BSI (BRILLIANCE SEMICONDUCTOR)

Specifications of BS62LV256PIP55

• Memory Size: 256Kbit
• Access Time: 55ns
• Supply Voltage Range: 2.4V To 5.5V
• Memory Case Style: DIP
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Operating Temperature Max: 85°C
• Rohs Compliant: Yes
• Memory Configuration: 32K X 8

n AC TEST CONDITIONS
Output
n AC ELECTRICAL CHARACTERISTICS (T
R0201-BS62LV256
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing
Reference Level
Output Load
(Test Load and Input/Output Reference)
1. Including jig and scope capacitance.
READ CYCLE
PARAMETER
JEDEC
NAME
t
t
t
t
t
t
t
t
t
E1LQV
E1LQX
E1HQZ
GLQV
GLQX
GHQZ
AVQX
AVQX
AVAX
C
L
1 TTL
(1)
t
Others
CLZ
PARANETER
, t
OLZ
NAME
t
t
t
t
t
, t
t
t
t
t
ACS
OLZ
CHZ
OHZ
CLZ
RC
OE
OH
AA
CHZ
, t
GND
V
OHZ
CC
, t
WHZ
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output Low Z
Output Enable to Output Low Z
Chip Select to Output High Z
Output Enable to Output High Z
Data Hold from Address Change
10%
Rise Time :
1V/ns
ALL INPUT PULSES
Vcc / 0V
1V/ns
0.5Vcc
C
C
100pF+1TTL
L
L
= 5pF+1TTL
90%
DESCRIPTION
A
90%
= -40
Fall Time :
1V/ns
=
O
10%
C to +85
4
n KEY TO SWITCHING WAVEFORMS
O
WAVEFORM
C)
CYCLE TIME : 55ns
MIN.
55
10
10
10
--
--
--
--
--
(V
CC
= 4.5~5.5V)
TYP.
--
--
--
--
--
--
--
--
--
INPUTS
MUST BE
STEADY
MAY CHANGE
FROM “H” TO “L”
MAY CHANGE
FROM “L” TO “H”
DON’T CARE
ANY CHANGE
PERMITTED
DOES NOT
APPLY
MAX.
55
55
25
30
25
--
--
--
--
CYCLE TIME : 70ns
MIN.
70
10
10
10
--
--
--
--
--
(V
CC
BS62LV256
= 3.0~5.5V)
TYP.
--
--
--
--
--
--
--
--
--
OUTPUTS
MUST BE
STEADY
WILL BE CHANGE
FROM “H” TO “L”
WILL BE CHANGE
FROM “L” TO “H”
CHANGE :
STATE UNKNOW
CENTER LINE IS
HIGH INPEDANCE
“OFF” STATE
MAX.
70
70
35
35
30
--
--
--
--
Revision
Sep.
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
2006
2.6