M48Z35AY-70MH1F datasheet, PDF

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M48Z35AY-70MH1F: Description32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, PLASTIC, SOIC-28; Categorystorage storage; File Size131KB，21 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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M48Z35AY-70MH1F Overview

32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, PLASTIC, SOIC-28

M48Z35AY-70MH1F Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	SOIC
package instruction	LEAD FREE, PLASTIC, SOIC-28
Contacts	28
Reach Compliance Code	compliant
ECCN code	EAR99
Maximum access time	70 ns
Other features	SNAPHAT BATTERY TO BE ORDERED SEPARATELY
JESD-30 code	R-PDSO-G28
length	18.1 mm
memory density	262144 bit
Memory IC Type	NON-VOLATILE 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
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)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	3.05 mm
Maximum standby current	0.003 A
Maximum slew rate	0.05 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	10
width	8.56 mm

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M48Z35AY

M48Z35AV

5.0 or 3.3V, 256 Kbit (32 Kbit x8) ZEROPOWER

SRAM

FEATURES SUMMARY

■

INTEGRATED, ULTRA LOW POWER SRAM,

POWER-FAIL CONTROL CIRCUIT, AND

BATTERY

READ CYCLE TIME EQUALS WRITE CYCLE

TIME

BATTERY LOW FLAG (BOK)

AUTOMATIC POWER-FAIL CHIP

DESELECT AND WRITE PROTECTION

WRITE PROTECT VOLTAGES:

PFD

= Power-fail Deselect Voltage)

– M48Z35AY: 4.2V

≤

PFD

≤

4.5V

– M48Z35AV: 2.7V

≤

PFD

≤

3.0V

SELF-CONTAINED BATTERY IN THE

CAPHAT™ DIP PACKAGE

PACKAGING INCLUDES A 28-LEAD SOIC

AND SNAPHAT

TOP (to be ordered

separately)

PIN and FUNCTION COMPATIBLE WITH

JEDEC STANDARD 32K x 8 SRAMs

SOIC PACKAGE PROVIDES DIRECT

CONNECTION FOR A SNAPHAT TOP

WHICH CONTAINS THE BATTERY

Figure 1. 28-pin, CAPHAT™ DIP Package

PCDIP28 (PC)

Battery CAPHAT

Figure 2. 28-pin SOIC Package

SNAPHAT (SH)

Battery

SOH28 (MH)

March 2004

1/21

M48Z35AY, M48Z35AV

TABLE OF CONTENTS

FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 1. 28-pin, CAPHAT™ DIP Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2. 28-pin SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 3.

Table 1.

Figure 4.

Figure 5.

Figure 6.

Logic Diagram . . . . . . . . . . . . . . . . . . . . .

Signal Names . . . . . . . . . . . . . . . . . . . . .

DIP Connections . . . . . . . . . . . . . . . . . . .

SOIC Connections . . . . . . . . . . . . . . . . . .

Block Diagram . . . . . . . . . . . . . . . . . . . . .

.......

......

.......

......

.....4

.....5

OPERATING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 2. Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

READ Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 7. READ Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. READ Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

WRITE Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 8. WRITE Enable Controlled, WRITE Mode AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 9. Chip Enable Controlled, WRITE Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 4. WRITE Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Data Retention Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 10.BOK Check Routine Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Noise And Negative Going Transients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 11.Supply Voltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 5. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

DC AND AC PARAMETERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 6. Operating and AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 12.AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 7. Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 8. DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 13.Power Down/Up Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 9. Power Down/Up AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 10. Power Down/Up Trip Points DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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

Figure 14.PCDIP28 – 28-pin Plastic DIP, battery CAPHAT™, Package Outline . . . . . . . . . . . . . . 15

Table 11. PMDIP28 – 28-pin Plastic DIP, battery CAPHAT™, Package Mechanical Data. . . . . . . 15

Figure 15.SOH28 – 28-lead Plastic Small Outline, battery SNAPHAT, Package Outline . . . . . . . . 16

Table 12. SOH28 – 28-lead Plastic Small Outline, battery SNAPHAT, Package Mechanical Data 16

Figure 16.SH – 4-pin SNAPHAT Housing for 48mAh Battery, Package Outline . . . . . . . . . . . . . . . 17

2/21

M48Z35AY-70MH1F Related Products

	M48Z35AY-70MH1F	M48Z35AY-70MH6F	M48Z35AY-70MH6E	M48Z35AY-70MH1E
Description	32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, PLASTIC, SOIC-28	32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, SNAPHAT, PLASTIC, SOIC-28	32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, SNAPHAT, PLASTIC, SOIC-28	32KX8 NON-VOLATILE SRAM, 70ns, PDSO28, LEAD FREE, PLASTIC, SOIC-28
Is it lead-free?	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to
Parts packaging code	SOIC	SOIC	SOIC	SOIC
package instruction	LEAD FREE, PLASTIC, SOIC-28	LEAD FREE, SNAPHAT, PLASTIC, SOIC-28	LEAD FREE, SNAPHAT, PLASTIC, SOIC-28	LEAD FREE, PLASTIC, SOIC-28
Contacts	28	28	28	28
Reach Compliance Code	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99
Maximum access time	70 ns	70 ns	70 ns	70 ns
JESD-30 code	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28
length	18.1 mm	18.1 mm	18.1 mm	18.1 mm
memory density	262144 bit	262144 bit	262144 bit	262144 bit
Memory IC Type	NON-VOLATILE SRAM	NON-VOLATILE SRAM	NON-VOLATILE SRAM	NON-VOLATILE SRAM
memory width	8	8	8	8
Number of functions	1	1	1	1
Number of terminals	28	28	28	28
word count	32768 words	32768 words	32768 words	32768 words
character code	32000	32000	32000	32000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	70 °C	85 °C	85 °C	70 °C
organize	32KX8	32KX8	32KX8	32KX8
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	SOP
Encapsulate equivalent code	SOP28,.5	SOP28,.5	SOP28,.5	SOP28,.5
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Parallel/Serial	PARALLEL	PARALLEL	PARALLEL	PARALLEL
Peak Reflow Temperature (Celsius)	260	260	260	260
power supply	5 V	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	3.05 mm	3.05 mm	3.05 mm	3.05 mm
Maximum standby current	0.003 A	0.003 A	0.003 A	0.003 A
Maximum slew rate	0.05 mA	0.05 mA	0.05 mA	0.05 mA
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	10	10	10	10
width	8.56 mm	8.56 mm	8.56 mm	8.56 mm
Maker	STMicroelectronics	-	STMicroelectronics	STMicroelectronics

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