M68AW031AL70MS1U datasheet, PDF

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M68AW031AL70MS1U: Description32KX8 STANDARD SRAM, 70ns, PDSO28, 0.330 INCH, PLASTIC, SO-28; Categorystorage storage; File Size144KB，19 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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32KX8 STANDARD SRAM, 70ns, PDSO28, 0.330 INCH, PLASTIC, SO-28

M68AW031AL70MS1U Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	SOIC
package instruction	0.330 INCH, PLASTIC, SO-28
Contacts	28
Reach Compliance Code	compliant
ECCN code	EAR99
Maximum access time	70 ns
I/O type	COMMON
JESD-30 code	R-PDSO-G28
JESD-609 code	e3
length	18.11 mm
memory density	262144 bit
Memory IC Type	STANDARD SRAM
memory width	8
Number of functions	1
Number of terminals	28
word count	32768 words
character code	32000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	32KX8
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP28,.5
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3/3.3 V
Certification status	Not Qualified
Maximum seat height	2.85 mm
Maximum standby current	0.000006 A
Minimum standby current	1.5 V
Maximum slew rate	0.03 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	8.407 mm

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M68AW031A

256 Kbit (32K x8) 3.0V Asynchronous SRAM

FEATURES SUMMARY

SUPPLY VOLTAGE: 2.7 to 3.6V

Figure 1. Packages

32K x 8 bits SRAM with OUTPUT ENABLE

EQUAL CYCLE and ACCESS TIME: 70ns

LOW STANDBY CURRENT

LOW V

DATA RETENTION: 1.5V

TRI-STATE COMMON I/O

AUTOMATIC POWER DOWN

SO28 (MS)

TSOP28 (N)

8 x 13.4 mm

TSOP28 (NS)

8 x 13.4 mm (Reverse)

July 2003

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M68AW031A

TABLE OF CONTENTS

SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Figure 2. Logic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Table 1. Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Figure 3. SO Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 4. TSOP Connections (Reverse) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 5. TSOP Connections (Normal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 6. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 2. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

DC AND AC PARAMETERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. Operating and AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 7. AC Measurement I/O Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 8. AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 4. Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 5. DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 6. Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 9. Address Controlled, Read Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 10. Chip Enable or Output Enable Controlled, Read Mode AC Waveforms. . . . . . . . . . . . . . 9

Figure 11. Chip Enable Controlled, Standby Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 7. Read and Standby Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Write Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 12. Write Enable Controlled, Write AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 13. Chip Enable Controlled, Write AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 8. Write Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 14. Low V

Data Retention AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 9. Low V

Data Retention Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

SO28 - 28 lead Plastic Small Outline, 300 mils body width, Package Outline . . . . . . . . . . . . . . . . 15

SO28 - 28 lead Plastic Small Outline, 300 mils body width, Package Mechanical Data . . . . . . . . . 15

TSOP28 - 28 lead Normal and Reverse Pinout Plastic Small Outline, Package Outline . . . . . . . . 16

TSOP28 - 28 lead Normal and Reverse Pinout Plastic Small Outline, Package Mechanical Data . 16

PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 12. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 13. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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M68AW031AL70MS1U Related Products

	M68AW031AL70MS1U	M68AW031AM70N1U	M68AW031AL70NS1U	M68AW031AL70N1U	M68AW031AM70NS1U	M68AW031AM70MS1U
Description	32KX8 STANDARD SRAM, 70ns, PDSO28, 0.330 INCH, PLASTIC, SO-28	32KX8 STANDARD SRAM, 70ns, PDSO28, 8 X 13.40 MM, PLASTIC, TSOP-28	32KX8 STANDARD SRAM, 70ns, PDSO28, 8 X 13.40 MM, PLASTIC, REVERSE, TSOP-28	32KX8 STANDARD SRAM, 70ns, PDSO28, 8 X 13.40 MM, PLASTIC, TSOP-28	32KX8 STANDARD SRAM, 70ns, PDSO28, 8 X 13.40 MM, PLASTIC, REVERSE, TSOP-28	32KX8 STANDARD SRAM, 70ns, PDSO28, 0.330 INCH, PLASTIC, SO-28
Is it Rohs certified?	conform to	incompatible	incompatible	incompatible	incompatible	conform to
Parts packaging code	SOIC	TSOP	TSOP	TSOP	TSOP	SOIC
package instruction	0.330 INCH, PLASTIC, SO-28	8 X 13.40 MM, PLASTIC, TSOP-28	8 X 13.40 MM, PLASTIC, REVERSE, TSOP-28	8 X 13.40 MM, PLASTIC, TSOP-28	8 X 13.40 MM, PLASTIC, REVERSE, TSOP-28	0.330 INCH, PLASTIC, SO-28
Contacts	28	28	28	28	28	28
Reach Compliance Code	compliant	not_compliant	not_compliant	not_compliant	not_compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Maximum access time	70 ns	70 ns	70 ns	70 ns	70 ns	70 ns
I/O type	COMMON	COMMON	COMMON	COMMON	COMMON	COMMON
JESD-30 code	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28
JESD-609 code	e3	e0	e0	e0	e0	e3
length	18.11 mm	11.8 mm	11.8 mm	11.8 mm	11.8 mm	18.11 mm
memory density	262144 bit	262144 bit	262144 bit	262144 bit	262144 bit	262144 bit
Memory IC Type	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM
memory width	8	8	8	8	8	8
Number of functions	1	1	1	1	1	1
Number of terminals	28	28	28	28	28	28
word count	32768 words	32768 words	32768 words	32768 words	32768 words	32768 words
character code	32000	32000	32000	32000	32000	32000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
organize	32KX8	32KX8	32KX8	32KX8	32KX8	32KX8
Output characteristics	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	TSOP1	TSOP1-R	TSOP1	TSOP1-R	SOP
Encapsulate equivalent code	SOP28,.5	TSSOP28,.53,22	TSSOP28,.53,22	TSSOP28,.53,22	TSSOP28,.53,22	SOP28,.5
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE
Parallel/Serial	PARALLEL	PARALLEL	PARALLEL	PARALLEL	PARALLEL	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
power supply	3/3.3 V	3/3.3 V	3/3.3 V	3/3.3 V	3/3.3 V	3/3.3 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	2.85 mm	1.25 mm	1.25 mm	1.25 mm	1.25 mm	2.85 mm
Maximum standby current	0.000006 A	0.000006 A	0.000006 A	0.000006 A	0.000006 A	0.000006 A
Minimum standby current	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V
Maximum slew rate	0.03 mA	0.03 mA	0.03 mA	0.03 mA	0.03 mA	0.03 mA
Maximum supply voltage (Vsup)	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	3 V	3 V	3 V	3 V	3 V	3 V
surface mount	YES	YES	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Matte Tin (Sn)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	0.55 mm	0.55 mm	0.55 mm	0.55 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	8.407 mm	8 mm	8 mm	8 mm	8 mm	8.407 mm
Maker	STMicroelectronics	-	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics

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