Document
KM62256C Family
Document Title
32Kx8 bit Low Power CMOS Static RAM
CMOS SRAM
Revision History
Revision No History
0.0 Advance information
0.1 Initial draft
1.0 Finalize
2.0 Revise - Add 45ns part with 30pF test load
3.0 Revise - Change specification format and merge : Commercial, Extended, Industrial product in same datasheets.
4.0 Revise - Change Speed bin Erase 45ns part from commercial product and 100ns from extended and industrial product. - Production change Erase Low power product from TSOP package
Draft Data February 12th 1993
Remark Design target
November 2nd 1993 Preliminary
September 24th 1994 Final
August 12th 1995
Final
April 15th 1996
Final
December 19 1997 Final
The attached datasheets are prepared and approved by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the right to change the specifications and product. SAMSUNG Electronics will evaluate and reply to your requests and questions about device. If you have any questions, please contact the SAMSUNG branch office near your office, call or contact Headquarters.
1 Revision 4.0
December 1997
KM62256C Family
CMOS SRAM
32Kx8 bit Low Power CMOS Static RAM
FEATURES
• Process Technology : 0.7µm CMOS • Organization : 32Kx8 • Power Supply Voltage : Single 5V±10% • Low Data Retention Voltage : 2V(Min) • Three state output and TTL Compatible • Package Type : 28-DIP-600, 28-SOP-450,
28-TSOP1 -0813.4F/R
GENERAL DESCRIPTION
The KM62256C family is fabricated by SAMSUNG′s advanced CMOS process technology. The family supports various operating temperature ranges and has various package types for user flexibility of system design. The family also support low data retention voltage for battery back-up operation with low data retention current.
PRODUCT FAMILY
Product Family
Operating Temperature. Speed(ns)
PKG Type
KM62256CL KM62256CL-L KM62256CLE KM62256CLE-L KM62256CLI KM62256CLI-L
Commercial (0~70°C) Extended (-25~85°C) Industrial (-40~85°C)
55/70ns 70ns 70ns
28-DIP, 28-SOP 28-TSOP I R/F
28-SOP 28-TSOP I R/F
28-SOP 28-TSOP I R/F
Power Dissipation
Standby (ISB1, Max)
100µA
Operating (Icc2)
20µA
100µA 50µA
70mA
100µA
50µA
PIN DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
A14 1
28 VCC
A12 2
27 WE
A7 3
26 A13
A6 4
25 A8
A5 5
24 A9
A4 6
23 A11
A3 7 28-DIP 22 OE
A2 8 28-SOP 21 A10
A1 9
20 CS
A0 10
19 I/O8
I/O1 11
18 I/O7
I/O2 12
17 I/O6
I/O3 VSS
13 14
16 I/O5 15 I/O4
OE A11
A9 A8 A13 WE VCC A14 A12 A7 A6 A5 A4 A3
1 28
2 27
3 26
4 25
5 24
6 7
28-TSOP
23 22
8 Type I - Forward 21
9 20
10 19
11 18
12 17
13 16
14 15
A10 CS I/O8 I/O7 I/O6 I/O5 I/O4 VSS I/O3 I/O2 I/O1 A0 A1 A2
A3 14
15 A2
A4 13
16 A1
A5 12
17 A0
A6 11
18 I/O1
A7 10
19 I/O2
A12 9 A14 8
28-TSOP
20 I/O3 21 VSS
VCC 7 Type I - Reverse 22 I/O4
WE 6
23 I/O5
A13 5
24 I/O6
A8 4
25 I/O7
A9 3
26 I/O8
A11 2
27 CS
OE 1
28 A10
NameName A0~A14 WE CS OE I/O1~I/O8 Vcc Vss
Function Address Inputs Write Enable Input Chip Select Input Output Enable Input Data Inputs/Outputs Power(5V) Ground
A3 A4 A5 A6 A7 A8 A12 A13 A14
I/O1 I/O8
Clk gen.
Precharge circuit.
Row select
Memory array 512 rows 64×8 columns
Data cont
Data cont
I/O Circuit Column select
A0 A1 A2 A9 A10 A11
CS
WE Control Logic
OE
SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice.
2 Revision 4.0
December 1997
KM62256C Family
CMOS SRAM
PRODUCT LIST
Commercial Temp Product (0~70°C)
Part Name
Function
Extended Temp Products (-25~85°C)
Part Name
Function
Industrial Temp Products (-40~85°C)
Part Name
Function
KM62256CLP-5 28-DIP, 55ns, L-pwr
KM62256CLGE-7
KM62256CLP-5L 28-DIP, 55ns, LL-pwr KM62256CLGE-7L
KM62256CLP-7 28-DIP, 70ns, L-pwr
KM62256CLTGE-7L
KM62256CLP-7L 28-DIP, 70ns, LL-pwr KM62256CLRGE-7L
KM62256CLG-5 28-SOP, 55ns, L-pwr
KM62256CLG-5L 28-SOP, 55ns, LL-pwr
KM62256CLG-7 28-SOP, 70ns, L-pwr
KM62256CLG-7L 28-SOP, 70ns, LL-pwr
KM62256CLTG-5L 28-TSOP F, 55ns, LL-pwr
KM62256CLTG-7L 28-TSOP F, 70ns, LL-pwr
KM62256CLRG-5L 28-TSOP R, 55ns, LL-pwr
KM62256CLRG-7L 28-TSOP R, 70ns, LL-pwr
28-SOP, 70ns, L-pwr 28-SOP, 70ns, LL-pwr 28-TSOP F, 70ns, LL-pwr 28-TSOP R, 70ns, LL-pwr
KM62256CLGI-7 KM62256CLGI-7L KM62256CLTGI-7L KM62256CLRGI-7L
28-SOP, 70ns, L-pwr 28-SOP, 70ns, LL-pwr 28-TSOP F, 70ns, LL-pwr 28-TSOP R, 70ns, LL-pwr
Note : LL means Low Low standby current.
FUNCTIONAL DESCRIPTION
CS H L L L
1. X means don′t care
OE X H L X
WE X H H L
I/O Pin High-Z High-Z Dout
Din
Mode Deselected Output Disabled
Read Write
Power Standby Active Active Active
ABSOLUTE MAXIMUM RATINGS 1)
Item Voltage on any pin relative to Vss Voltage on Vcc supply relative to Vss Power Dissipation Storage temperature
Symbol VIN,VOUT
VCC PD TSTG
Operating Temperature
TA
Soldering temperature and time
TSOLDER
Ratings -0.5 to VCC+0.5
-0.5 to 7.0 1.0
-65 to 150 0 to 70 -25 to 85 -40 to 85
260°C, 10sec(Lead Only)
Unit V V W °C °C °C °C -
Remark -
KM62256CL KM62256CLE KM62256CLI
-
1. Stresses .