K6T4008U1C-F SAMSUNG [Samsung semiconductor], K6T4008U1C-F Datasheet - Page 5

• Manufacturer Part Number: K6T4008U1C-F
• Description: 512Kx8 bit Low Power and Low Voltage CMOS Static RAM
• Manufacturer: SAMSUNG [Samsung semiconductor]

AC OPERATING CONDITIONS
TEST CONDITIONS
AC CHARACTERISTICS
DATA RETENTION CHARACTERISTICS
1. Industrial product = 20 A
K6T4008V1C, K6T4008U1C Family
1. 70ns product
Vcc for data retention
Data retention current
Data retention set-up time
Recovery time
Input pulse level: 0.4 to 2.2V
Input rising and falling time: 5ns
Input and output reference voltage:1.5V
Output load(see right): C
Read
Write
Read cycle time
Address access time
Chip select to output
Output enable to valid output
Chip select to low-Z output
Output enable to low-Z output
Chip disable to high-Z output
Output disable to high-Z output
Output hold from address change
Write cycle time
Chip select to end of write
Address set-up time
Address valid to end of write
Write pulse width
Write recovery time
Write to output high-Z
Data to write time overlap
Data hold from write time
End write to output low-Z
Item
Parameter List
(Test Load and Input/Output Reference)
C
L
1)
L
=100pF+1TTL
=30pF+1TTL
(K6T4008V1C Family: Vcc=3.0~3.6V, K6T4008U1C Family: Vcc=2.7~3.3V
Commercial product:: T
Symbol
t
t
V
I
SDR
RDR
DR
DR
CS Vcc-0.2V
Vcc=3.0V, CS Vcc-0.2V
See data retention waveform
Symbol
A
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WHZ
t
=0 to 70 C, Industrial product: T
t
t
OLZ
t
OHZ
t
Test Condition
WC
CW
AW
WP
WR
DW
OW
RC
CO
OE
OH
DH
AA
LZ
HZ
AS
5
Min
70
10
10
70
60
60
55
30
5
0
0
0
0
0
0
5
-
-
-
70ns
Max
1. Including scope and jig capacitance
70
70
35
25
25
25
-
-
-
-
-
-
-
-
-
-
-
-
-
C
L
1)
Min
Speed Bins
85
10
10
85
70
70
55
35
Min
2.0
5
0
0
0
0
0
0
5
-
-
-
0
5
-
A
85ns
=-40 to 85 C)
Max
85
85
40
25
25
25
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ
0.5
-
-
-
CMOS SRAM
Min
100
100
10
15
80
80
70
40
5
0
0
0
0
0
0
5
-
-
-
100ns
Max
15
3.6
-
-
1)
Max
100
100
50
30
30
30
-
-
-
-
-
-
-
-
-
-
-
-
-
January 1999
Revision 1.0
Unit
Units
ms
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A