SONY CXK58512M

CXK58512TM/M -55LL/70LL/10LL
∗
65536-word × 8-bit High Speed CMOS Static RAM
∗Under
For the availability of this product, please contact the
sales
office.
development
Description
The CXK58512TM/M is a high speed CMOS static
RAM organized as 65536-words by 8 bits.
A polysilicon TFT cell technology realized extremely
low stand-by current and higher data retention
stability.
Special feature are low power consumption, high
speed.
The CXK58512TM/M is a suitable RAM for portable
equipment with battery back up.
Features
• Fast access time
(Access time)
-55LL
55ns (Max.)
-70LL
70ns (Max.)
-10LL
100ns (Max.)
• Low standby current
10µA (Max.)
• Low data retention current
6µA (Max.)
• Single +5V supply: +5V ± 10%
• Low voltage data retention: 2.0V (Min.)
• Broad package line-up
CXK58512TM 8mm × 20mm 32 pin TSOP package
CXK58512M
525mil 32 pin SOP Package
CXK58512TM
32 pin TSOP (Plastic)
Block Diagram
A15
A13
A8
A11
A9
A7
A6
A5
A14
A12
Buffer
A4
A3
A10
A0
A2
A1
Buffer
Row
Decoder
Memory
Matrix
1024 × 512
VCC
GND
I/O Gate
Column
Decoder
OE
Function
65536-word × 8 bit static RAM
Structure
Silicon gate CMOS IC
CXK58512M
32 pin SOP (Plastic)
Buffer
WE
CE1
CE2
I/O Buffer
I/O1
I/O8
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E94915A58-PK
CXK58512TM/M
Pin Configuration (Top View)
A11
A9
A8
A13
WE
CE2
A15
Vcc
NC
NC
A14
A12
A7
A6
A5
A4
Pin Description
32 OE
31 A10
1
2
30 CE1
29 I/O8
3
4
5
7
8
9
30 CE2
A12 4
29 WE
26 I/O5
A7 5
A6 6
28 A13
24 GN
D
10
31 A15
A14 3
25 I/O4
CXK58512TM
32 Vcc
NC 2
27 I/O6
28 I/O7
6
NC 1
A5
25
9
24
A1 0
A0 1
1
23 CE1
I/O2 1
20 I/O6
12
21 I/O1
A3
13
20 A0
A2
14
19 A1
18 A2
A3
17
16
A9
26
8
23 I/O3
22 I/O2
A4
A0 to A15
Address input
I/O1 to I/O8
Data input output
CE1, CE2
Chip enable 1, 2 input
WE
Write enable input
OE
Output enable input
VCC
Power supply
GND
Ground
NC
No connection
A11
OE
A10
22 I/O8
1
I/O1 12
21 I/O7
3
I/O3 1
4
GND 15
19
16
17
18
I/O5
I/O4
CXK58512M
Absolute Maximum Ratings
Item
(Ta = 25°C, GND = 0V)
Symbol
Rating
Unit
V
Supply voltage
VCC
Input voltage
VIN
–0.5 to +7.0
–0.5∗ to VCC + 0.5
Input and output voltage
VI/O
–0.5∗ to VCC + 0.5
V
Allowable power dissipation
PD
0.7
W
Operating temperature
Topr
0 to +70
°C
Storage temperature
Tstg
–55 to +150
°C
Soldering temperature • time
Tsolder
235 • 10
°C • s
V
∗ VIN, VI/O = –3.0V Min. for pulse width less than 50ns.
Truth Table
CE1 CE2
OE
WE
Mode
I/O pin
VCC Current
H
×
×
×
Not selected
High Z
ISB1, ISB2
×
L
×
×
Not selected
High Z
ISB1, ISB2
L
H
H
H
Output disable
High Z
ICC1, ICC2, ICC3
L
H
L
H
Read
Data out
ICC1, ICC2, ICC3
L
H
×
L
Write
Data in
ICC1, ICC2, ICC3
×: "H" or "L"
DC Recommended Operating Conditions
Item
Description
A8
7
11
15
27
Symbol
(Ta = 0 to +70°C, GND = 0V)
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
VCC
4.5
5.0
5.5
V
Input high voltage
VIH
2.2
—
VCC + 0.3
V
Input low voltage
VIL
–0.3∗
—
0.8
V
∗ VIL = –3.0V Min. for pulse width less than 50ns.
–2–
CXK58512TM/M
Electrical Characteristics
• DC Characteristics
Item
(VCC = 5V ± 10%, GND = 0V, Ta = 0 to +70°C)
Symbol
Test conditions
Min.
Typ.∗
Max.
Unit
Input leakage current
ILI
VIN = GND to VCC
–1
—
+1
µA
Output leakage current
ILO
CE1 = VIH or CE2 = VIL or
OE = VIH or WE = VIL
VI/O = GND to VCC
–1
—
+1
µA
Operating power supply
current
ICC1
CE1 = VIL, CE2 = VIH
VIN = VIH or VIL
IOUT = 0mA
—
7
15
mA
-55LL
—
45
90
ICC2
Min. cycle
duty = 100%
IOUT = 0mA
-70LL
—
40
70
-10LL
—
35
60
—
10
20
—
—
10
—
—
2
—
0.4
1
Average operating current
ICC3
Cycle time 1µs
duty = 100%
IOUT = 0mA
CE1 ≤ 0.2V
CE2 ≥ Vcc – 0.2V
VIL ≤ 0.2V
VIH ≥ Vcc – 0.2V
CE2
ISB1
Standby current
o
orr
0 to +70°C
0.2V
CE1 ≥ Vcc – 0.2V 0 to +40°C
CE2 ≥ Vcc – 0.2V
+25°C
mA
mA
µA
ISB2
CE1 = VIH or CE2 = VIL
—
0.6
3
mA
Output high voltage
VOH
IOH = –1.0mA
2.4
—
—
V
Output low voltage
VOL
IOL = 2.1mA
—
—
0.4
V
∗ VCC = 5V, Ta = 25°C
–3–
CXK58512TM/M
I/O capacitance
(Ta = 25°C, f = 1MHz)
Item
Symbol Test conditons
Min.
Typ.
Max.
Unit
Input capacitance
CIN
VIN = 0V
—
—
7
pF
I/O capacitance
CI/O
VI/O = 0V
—
—
8
pF
Note) This parameter is sampled and is not 100% tested.
AC Characteristics
• AC test conditions
(VCC = 5V ± 10%, Ta = 0 to +70°C)
Item
Conditions
Input pulse high level
VIH = 2.2V
Input pulse low level
VIL = 0.8V
Input rise time
tr = 5ns
Input fall time
tf = 5ns
Input and output reference level
-55LL
1.5V
CL∗ = 30pF, 1TTL
-70LL/10LL
CL∗ = 100pF, 1TTL
Output load conditions
• Test circuit
TTL
CL
∗ CL includes scope and jig capacitances.
–4–
CXK58512TM/M
(Vcc = 5V ± 10%, GND = 0V, Ta = 0 to +70°C)
• Read cycle (WE = "H")
Item
tRC
Read cycle time
-55LL
Symbol
tAA
tCO1
Chip enable access time (CE1)
tCO2
Chip enable access time (CE2)
tOE
Output enable to output valid
tOH
Output hold from address change
Chip enable to output in low Z (CE1, CE2) tLZ1, tLZ2
tOLZ
Output enable to output in low Z (OE)
Chip disable to output in high Z (CE1, CE2) tHZ1∗, tHZ2∗
tOHZ∗
Output disable to output in high Z (OE)
Address access time
-70LL
-10LL
Unit
Min.
Max.
Min.
Max.
Min.
Max.
55
—
70
—
100
—
ns
—
55
—
70
—
100
ns
—
55
—
70
—
100
ns
—
55
—
70
—
100
ns
—
30
—
40
—
50
ns
15
—
15
—
15
—
ns
10
—
10
—
10
—
ns
5
—
5
—
5
—
ns
—
25
—
25
—
35
ns
—
25
—
25
—
35
ns
∗ tHZ1, tHZ2 and tOHZ are defined as the time required for outputs to turn to high impedance state and are not
referred to as output voltage levels.
(Vcc = 5V ± 10%, GND = 0V, Ta = 0 to +70°C)
• Write cycle
Item
Write cycle time
Address valid to end of write
Chip enable to end of write
Data to write time overlap
Data hold from write time
Write pulse width
Address setup time
Write recovery time (WE)
Write recovery time (CE1, CE2)
Output active from end of write
Write to output in high Z
-55LL
Symbol
-70LL
-10LL
Unit
Min.
Max.
Min.
Max.
Min.
Max.
tWC
tAW
tCW
tDW
tDH
tWP
tAS
tWR
tWR1
55
—
70
—
100
—
ns
50
—
60
—
70
—
ns
50
—
60
—
70
—
ns
25
—
30
—
40
—
ns
0
—
0
—
0
—
ns
40
—
50
—
70
—
ns
0
—
0
—
0
—
ns
0
—
0
—
0
—
ns
0
—
0
—
0
—
ns
tOW
tWHZ∗
10
—
10
—
10
—
ns
—
25
—
25
—
30
ns
∗ tWHZ is defined as the time required for outputs to turn to high impedance state and is not referred to as
output voltage level.
–5–
CXK58512TM/M
Timing Waveform
• Read cycle (1) : CE1 = OE = VIL, CE2 = VIH, WE = VIH
tRC
Address
tAA
tOH
Data out
Previous data valid
Data valid
• Read cycle (2) : WE = VIH
tRC
Address
tAA
CE1
tCO
ttHZ1
HZ
1
tLZ
1
CE2
tCO
2
tLZ
tHZ
2
2
OE
tOE
tOHZ
tOLZ
Data out
Data valid
High impedance
–6–
CXK58512TM/M
• Write cycle (1) : WE control
tWC
Address
tWR
tAW
OE
tCW
CE1
tCW
CE2
*1
tWP
tAS
WE
tDW
tDH
Data valid
Data in
tWHZ
tOW
Data out
High impedance
*2
*2
• Write cycle (2) : CE1 control
tWC
Address
tAW
OE
tAS
tCW
tWR1 *3
CE1
tCW
CE2
tWP
WE
tDH
tDW
Data
valid
Data in
Data out
High impedance
–7–
CXK58512TM/M
• Write cycle (3) : CE2 control
tWC
Address
tAW
OE
tCW
CE1
tCW
tAS
tWR1 *3
CE2
tWP
WE
tDH
tDW
Data
valid
Data in
Data out
High impedance
∗1 Write is executed when both CE1 and WE are at low and CE2 is at high simultaneously.
∗2 Do not apply the data input voltage of the opposite phase to the output while I/O pin is in output condition.
∗3 tWR1 is tested from either the rising edge of CE1 or the falling edge of CE2, whichever comes earlier, until
the end of the write cycle.
–8–
CXK58512TM/M
Data retention waveform
• Low supply voltage data retention waveform (1) (CE1 control)
tCDRS
Data retention mode
tR
VCC
4.5V
2.2V
VDR
CE1
CE1 VCC| 0.2V
GND
• Low supply voltage data retention waveform (2) (CE2 control)
Data retention mode
VCC
4.5V
tCDRS
tR
CE2
VDR
0.4V
CE2
0.2V
GND
Data Retention Characteristics
Item
Data retention voltage
Data retention current
Symbol
Test conditions
Min.
Typ.
Max.
Unit
2.0
—
5.5
V
0 to +70°C
—
—
6
0 to +40°C
—
—
1.2
+25°C
VDR
∗
ICCDR1
VCC = 3.0V∗
—
0.2
0.6
ICCDR2
VCC = 2.0 to 5.5V∗
—
0.4
10
µA
Chip disable to data retention mode
0
—
—
ns
5
—
—
ms
Data retention setup time tCDRS
Recovery time
(Ta = 0 to +70°C)
tR
∗ CE1 ≥ Vcc – 0.2V, CE2 ≥ Vcc – 0.2V (CE1 control) or CE2 ≤ 0.2V (CE2 control)
–9–
µA
CXK58512TM/M
Example of Representative Characteristics
Supply current vs. Supply
voltage
1.2
ICC1, ICC2– Supply current (Relative Value)
ICC1, ICC2– Supply current (Relative Value)
1.5
1.25
1.0
ICC
2
ICC
1
0.75
Ta = 25°C
0.5
4.5
Supply current vs. Ambient
temperature
1.1
ICC2 (Read)
1.0
ICC2 (Write)
ICC1
0.9
VCC = 5.0V
0.8
4.75
5
5.25
5.5
0
Supply current vs. Frequency
55ns
Write
0.8
Read
0.6
0.4
VCC = 5.0V
Ta = 25°C
0.2
0
0
4
8
12
16
E
1.6
1.4
1.2
TAA, TCO1, TCO2
1.0
VCC = 5.0V
Ta = 25°C
0.8
0.6
20
0
100
200
300
400
CL– Load capacity [pF]
Access time vs. Ambient temperature
TAA, TCO1, TCO2, TOE– Access time (Relative Value)
TAA, TCO1, TCO2, TOE– Access time (Relative Value)
80
TO
1.8
Access time vs. Supply voltage
1.4
1.2
TO
E
1.0
TAA, TCO1, TCO2
0.8
Ta = 25°C
4.75
5
5.25
VCC– Supply voltage [V]
60
2.0
Frequency (1 / tRC, 1 / tWC) [
MHz]
0.6
4.5
40
Access time vs. Load capacitance
TAA, TCO1, TCO2, TOE– Access time (Relative Value)
ICC2– Supply current (Relative Value)
70ns
100ns
1.0
20
Ta– Ambient temperature [°C]
VCC – Supply voltage [V]
5.5
1.4
1.2
TOE
1.0
TCO1, TCO2, TAA
0.8
VCC = 5.0V
0.6
0
20
40
60
Ta– Ambient temperature [°C]
– 10 –
80
CXK58512TM/M
Standby current vs. Ambient temperature
Standby current vs. Supply voltage
20
ISB1 – Standby current (Relative value)
ISB1, ISB2 – Standby current (Relative value)
2.0
1.5
1.0
ISB2
ISB1
0.5
Ta = 25°C
0
2.0
5
2
1
0.5
VCC = 5.0V
0.2
3.0
4.0
5.0
6.0
0
20
40
60
80
VCC – Supply voltage [V]
Ta – Ambient temperature [°C]
Input voltage level vs. Supply voltage
Standby current vs. Ambient temperature
1.2
1.4
ISB2 – Standby current (Relative value)
VIL, VIH – Input voltage (Relative value)
10
1.1
VIL, VIH
1.0
0.9
Ta = 25°C
0.8
4.5
1.2
1.0
0.8
VCC = 5.0V
0.6
4.75
5.0
5.25
VCC – Supply voltage [V]
0
5.5
20
40
60
80
Ta – Ambient temperature [°C]
Output high current vs. Output high voltage
Output low current vs. Output low voltage
IOL – Output low current (Relative value)
IOH – Output high current (Ralative value)
1.4
1.2
1.0
0.8
VCC = 5.0V
Ta = 25°C
1.8
1.4
1.0
VCC = 5.0V
Ta = 25°C
0.6
0.6
1
2
3
4
VOH – Output high voltage [V]
0
5
0.2
0.4
0.6
VOL – Output low voltage [V]
– 11 –
0.8
CXK58512TM/M
Package Outline
Unit: mm
CXK58512TM
32PIN TSOP (I) (PLASTIC)
+ 0.2
1.07 – 0.1
8.0 ± 0.2
17
32
0.1
0.5 ± 0.1
20.0 ± 0.2
∗18.4 ± 0.2
0.1 ± 0.1
0° to 10°
DETAIL A
A
+ 0.08
0.2 – 0.03
1
16
+ 0.05
0.02
0.127 –
0.08 M
0.5
NOTE: Dimension “∗” does not include mold protrusion.
PACKAGE STRUCTURE
PACKAGE MATERIAL
EPOXY / PHENOL RESIN
SONY CODE
TSOP (I) -32P-L01
LEAD TREATMENT
SOLDER PLATING
EIAJ CODE
TSOP (I) 032-P-0820-A
LEAD MATERIAL
42 ALLOY
JEDEC CODE
PACKAGE WEIGHT
CXK58512M
32PIN SOP (PLASTIC) 525mil
+ 0.4
20.5 – 0.1
+ 0.15
2.9 – 0.25
32
17
16
0.4 ± 0.1
A
+ 0.1
0.15 – 0.05
1.27
0.2 ± 0.1
0.8 ± 0.2
1
11.9
14.0 ± 0.4
+ 0.3
11.2 – 0.1
0.1
0° to 10°
0.12 M
DETAIL A
PACKAGE STRUCTURE
PACKAGE MATERIAL
EPOXY / PHENOL RESIN
SONY CODE
SOP-32P-L02
LEAD TREATMENT
SOLDER PLATING
EIAJ CODE
∗SOP032-P-0525-A
LEAD MATERIAL
42 ALLOY
JEDEC CODE
PACKAGE WEIGHT
– 12 –