K6F4016S4D Family
Document Title
CMOS SRAM
256K x16 bit Super Low Power and Low Voltage Full CMOS Static RAM
Revision History
Revision No. History
0.0
1.0
Initial Draft
Finalized
- Change for tWHZ : 25 to 20ns for 70ns product
- Change for tDW : 25 to 30ns for 70ns product
Errata correction
- Removed TTL Compatible’from Features
’
Draft Date
March 16, 2000
April 20, 2000
Remark
Preliminary
Final
1.01
October 26, 2001
Final
The attached data sheets are provided by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the right to change the specifications and
products. SAMSUNG Electronics will answer to your questions about device. If you have any questions, please contact the SAMSUNG branch offices.
-1-
Revision 1.01
October 2001
K6F4016S4D Family
FEATURES
•
•
•
•
•
•
CMOS SRAM
GENERAL DESCRIPTION
The K6F4016S4D families are fabricated by SAMSUNG′s
advanced full CMOS process technology. The families support
industrial temperature range and 48 ball Chip Scale Package
for user flexibility of system design. The families also support
low data retention voltage for battery back-up operation with
low data retention current.
256K x 16 bit Super Low Power and Low Voltage Full CMOS Static RAM
Process Technology: Full CMOS
Organization: 256K x16 bit
Power Supply Voltage: 2.3~2.7V
Low Data Retention Voltage: 1.5V(Min)
Three State Outputs
Package Type: 48-FBGA-6.10x8.50
PRODUCT FAMILY
Power Dissipation
Product Family
Operating Temperature
Vcc Range
Speed
Standby
(I
SB1
, Typ.)
0.5µA
Operating
(I
CC1
, Max)
3mA
PKG Type
K6F4016S4D-F
Industrial(-40~85°C)
2.3~2.7V
70
1)
/85ns
48-FBGA-6.10x8.50
1. The parameter is measured with 30pF test load.
PIN DESCRIPTION
1
2
3
4
5
6
FUNCTIONAL BLOCK DIAGRAM
Clk gen.
Precharge circuit.
A
LB
OE
A0
A1
A2
DNU
Vcc
Vss
B
I/O9
UB
A3
A4
CS
I/O1
Row
Addresses
C
I/O10
I/O11
A5
A6
I/O2
I/O3
Row
select
Memory array
2048 rows
128
×
16 columns
D
Vss
I/O12
A17
A7
I/O4
Vcc
E
Vcc
I/O13
NB
A16
I/O5
Vss
I/O
1
~I/O
8
Data
cont
Data
cont
Data
cont
I/O Circuit
Column select
F
I/O15
I/O14
A14
A15
I/O6
I/O7
I/O
9
~I/O
16
G
I/O16
DNU
A12
A13
WE
I/O8
Column Addresses
H
DNU
A8
A9
A10
A11
DNU
48-FBGA: Top View (Ball Down)
Name
CS
OE
WE
A
0
~A
17
Function
Chip Select Input
Output Enable Input
Write Enable Input
Address Inputs
Name
Vcc
Vss
UB
LB
DNU
Function
Power
Ground
Upper Byte(I/O
9
~
16
)
Lower Byte(I/O
1
~
8
)
Do Not Use
CS
OE
WE
UB
LB
Control Logic
I/O
1
~I/O
16
Data Inputs/Outputs
NB
No Ball
SAMSUNG ELECTRONICS CO., LTD.
reserves the right to change products and specifications without notice
.
-2-
Revision 1.01
October 2001
K6F4016S4D Family
PRODUCT LIST
Industrial Temperature Products(-40~85°C)
Part Name
K6F4016S4D-FF70
K6F4016S4D-FF85
Function
CMOS SRAM
48-FBGA, 70ns, 2.5V
48-FBGA, 85ns, 2.5V
FUNCTIONAL DESCRIPTION
CS
H
X
1)
L
L
L
L
L
L
L
L
OE
X
1)
X
1)
H
H
L
L
L
X
1)
X
1)
X
1)
WE
X
1)
X
1)
H
H
H
H
H
L
L
L
LB
X
1)
H
L
X
1)
L
H
L
L
H
L
UB
X
1)
H
X
1)
L
H
L
L
H
L
L
I/O
1~8
High-Z
High-Z
High-Z
High-Z
Dout
High-Z
Dout
Din
High-Z
Din
I/O
9~16
High-Z
High-Z
High-Z
High-Z
High-Z
Dout
Dout
High-Z
Din
Din
Mode
Deselected
Deselected
Output Disabled
Output Disabled
Lower Byte Read
Upper Byte Read
Word Read
Lower Byte Write
Upper Byte Write
Word Write
Power
Standby
Standby
Active
Active
Active
Active
Active
Active
Active
Active
1. X means don′t care. (Must be low or high state)
ABSOLUTE MAXIMUM RATINGS
1)
Item
Voltage on any pin relative to Vss
Voltage on Vcc supply relative to Vss
Power Dissipation
Storage temperature
Operating Temperature
Symbol
V
IN
,V
OUT
V
CC
P
D
T
STG
T
A
Ratings
-0.2 to V
CC
+0.3V
-0.2 to 3.6V
1.0
-65 to 150
-40 to 85
Unit
V
V
W
°C
°C
1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. Functional operation should be
restricted to recommended operating condition. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
-3-
Revision 1.01
October 2001
K6F4016S4D Family
RECOMMENDED DC OPERATING CONDITIONS
1)
Item
Supply voltage
Ground
Input high voltage
Input low voltage
Note:
1. Industrial Product: T
A
=-40 to 85°C, otherwise specified.
2. Overshoot: Vcc+1.0V in case of pulse width
≤20ns.
3. Undershoot: -1.0V in case of pulse width
≤20ns.
4. Overshoot and undershoot are sampled, not 100% tested.
CMOS SRAM
Symbol
Vcc
Vss
V
IH
V
IL
Min
2.3
0
2.0
-0.2
3)
Typ
2.5
0
-
-
Max
2.7
0
Vcc+0.2
2)
0.6
Unit
V
V
V
V
CAPACITANCE
1)
(f=1MHz, T
A
=25°C)
Item
Input capacitance
Input/Output capacitance
1. Capacitance is sampled, not 100% tested.
Symbol
C
IN
C
IO
Test Condition
V
IN
=0V
V
IO
=0V
Min
-
-
Max
8
10
Unit
pF
pF
DC AND OPERATING CHARACTERISTICS
Item
Input leakage current
Output leakage current
Operating power supply current
Average operating current
Output low voltage
Output high voltage
Standby Current(TTL)
Standby Current (CMOS)
Symbol
Test Conditions
V
IN
=Vss to Vcc
CS=V
IH
or OE=V
IH
or WE=V
IL
, V
IO
=Vss to Vcc
I
IO
=0mA, CS=V
IL
, V
IN
=V
IH
or V
IL
Cycle time=1µs, 100%duty,
I
IO
=0mA,
CS≤0.2V, V
IN
≤0.2V
or V
IN
≥
V
CC
-0.2V
Min
-1
-1
-
-
-
-
2.0
-
-
Typ
-
-
-
-
-
-
-
-
0.5
Max
1
1
2
3
25
0.4
-
0.3
10
1)
Unit
µA
µA
mA
mA
mA
V
V
mA
µA
I
LI
I
LO
I
CC
I
CC1
I
CC2
V
OL
V
OH
I
SB
I
SB1
Cycle time=Min, I
IO
=0mA
,
100% duty, CS=V
IL,
V
IN
=V
IH
or V
IL
I
OL
= 0.5mA
I
OH
= -0.5mA
CS=V
IH
or LB=UB=V
IH
, Other inputs=V
IH
or V
IL
CS≥Vcc-0.2V or LB=UB≥Vcc-0.2V, CS≤0.2V, Other inputs=0~Vcc
1. Super low power product=5µA with special handling.
-4-
Revision 1.01
October 2001
K6F4016S4D Family
AC OPERATING CONDITIONS
TEST CONDITIONS
(Test Load and Test Input/Output Reference)
Input pulse level: 0.4 to 2.2V
Input rising and falling time: 5ns
Input and output reference voltage: 1.1V
Output load (See right): C
L
= 100pF+1TTL
C
L
=30pF+1TTL
CMOS SRAM
V
TM
3)
R
1
2)
C
L
1)
R
2
2)
1. Including scope and jig capacitance
2. R
1
=3070Ω
,
R
2
=3150Ω
3. V
TM
=2.3V
AC CHARACTERISTICS
(T
A
=-40 to 85°C, Vcc=2.3~2.7V)
Speed Bins
Parameter List
Symbol
Min
Read cycle time
Address access time
Chip select to output
Output enable to valid output
UB, LB Access Time
Read
Chip select to low-Z output
UB, LB enable to low-Z output
Output enable to low-Z output
Chip disable to high-Z output
UB, LB 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
UB, LB Valid to End of Write
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
t
RC
t
AA
t
CO
t
OE
t
BA
t
LZ
t
BLZ
t
OLZ
t
HZ
t
BHZ
t
OHZ
t
OH
t
WC
t
CW
t
AS
t
AW
t
BW
t
WP
t
WR
t
WHZ
t
DW
t
DH
t
OW
70
-
-
-
-
10
10
5
0
0
0
10
70
60
0
60
60
50
0
0
30
0
5
70ns
Max
-
70
70
35
70
-
-
-
25
25
25
-
-
-
-
-
-
-
-
20
-
-
-
Min
85
-
-
-
-
10
10
5
0
0
0
10
85
70
0
70
70
60
0
0
35
0
5
85ns
Max
-
85
85
40
85
-
-
-
25
25
25
-
-
-
-
-
-
-
-
25
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Units
DATA RETENTION CHARACTERISTICS
Item
Vcc for data retention
Data retention current
Data retention set-up time
Recovery time
Symbol
V
DR
I
DR
t
SDR
t
RDR
Test Condition
CS≥Vcc-0.2V
1)
Vcc= 1. 5V, CS≥Vcc-0.2V
1)
See data retention waveform
Min
1.5
-
0
tRC
Typ
-
0.5
-
-
Max
2.7
3
2)
-
-
Unit
V
µA
ns
1. CS≥Vcc-0.2V(CS controlled) or LB=UB≥Vcc-0.2V, CS≤0.2V(LB, UB controlled).
2. Super low power product=2µA with special handling.
-5-
Revision 1.01
October 2001
