STC62WV12816 STC, STC62WV12816 Datasheet - Page 4

• Manufacturer Part Number: STC62WV12816
• Description: Very Low Power/Voltage CMOS SRAM 128k X 16 bit
• Manufacturer: STC

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R0201-STC62WV12816
NOTE :
AC TEST CONDITIONS
LOW V
(Test Load and Input/Output Reference)
PARAMETER
1. t
AC ELECTRICAL CHARACTERISTICS
READ CYCLE
Vcc
CE
Input Pulse Levels
Input Rise and Fall Times
Input and Output
Timing Reference Level
Output Load
JEDEC
BA
NAME
t
t
t
t
t
t
t
t
t
t
t
t
AVAX
AVQV
ELQV
BA
GLQV
E1LQX
BE
GLQX
EHQZ
BDO
GHQZ
AXOX
is 30ns/35ns (@speed=55ns/70ns) with address toggle. ; t
CC
STC
DATA RETENTION WAVEFORM ( CE Controlled )
PARAMETER
NAME
t
t
t
t
t
t
t
t
t
t
t
t
RC
AA
ACS
BA
OE
CLZ
BE
OLZ
CHZ
BDO
OHZ
OH
(1)
Vcc / 0V
1V/ns
0.5Vcc
C
C
Read Cycle Time
Address Access Time
Chip Select Access Time
Data Byte Control Access Time
Output Enable to Output Valid
Chip Select to Output Low Z
Data Byte Control to Output Low Z
Output Enable to Output in Low Z
Chip Deselect to Output in High Z
Data Byte Control to Output High Z
Output Disable to Output in High Z
Data Hold from Address Change
L
L
= 100pF+1TTL
= 30pF+1TTL
V
IH
t
Vcc
CDR
DESCRIPTION
DataSheet4U.com
( TA = -40 to + 85
4
Data Retention Mode
CE
BA
V
≥
is 55ns/70ns (@speed=55ns/70ns) without address toggle.
DR
Vcc - 0.2V
(CE)
(LB,UB)
(LB,UB)
(LB,UB)
(CE)
(CE)
≥
1.5V
o
WAVEFORM
C )
KEY TO SWITCHING WAVEFORMS
CYCLE TIME : 55ns
55
10
10
10
MIN. TYP. MAX.
--
--
--
--
5
--
--
--
(Vcc = 3.0~5.5V)
--
--
--
--
--
--
--
--
--
--
--
--
Vcc
STC62WV12816
t
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
R
V
55
55
30
30
30
30
25
IH
--
--
--
--
--
,
CYCLE TIME : 70ns
70
10
10
10
--
--
--
--
MIN. TYP. MAX.
5
--
--
--
(Vcc = 2.7~5.5V)
--
--
--
--
--
--
--
--
--
--
--
--
OUTPUTS
MUST BE
STEADY
WILL BE
CHANGE
FROM H TO L
WILL BE
CHANGE
FROM L TO H
CHANGE :
STATE
UNKNOWN
CENTER
LINE IS HIGH
IMPEDANCE
”OFF ”STATE
Revision 1.1
Jan.
70
70
35
35
35
35
30
--
--
--
--
--
UNIT
2004
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns