M48T58Y datasheet(1/17 Pages) STMICROELECTRONICS

部件名	M48T58Y

功能描述	64 Kbit 8Kb x8 TIMEKEEPER SRAM

PDF	17 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 17 page

M48T58

M48T58Y

64 Kbit (8Kb x8) TIMEKEEPER

® SRAM

July 1999

1/17

INTEGRATED ULTRA LOW POWER SRAM,

REAL TIME CLOCK, POWER-FAIL CONTROL

CIRCUIT and BATTERY

BYTEWIDE

™ RAM-LIKE CLOCK ACCESS

BCD CODED YEAR, MONTH, DAY, DATE,

HOURS, MINUTES and SECONDS

FREQUENCY TEST OUTPUT for REAL TIME

CLOCK

AUTOMATIC POWER-FAIL CHIP DESELECT and

WRITE PROTECTION

WRITE PROTECT VOLTAGES

(VPFD = Power-fail Deselect Voltage):

– M48T58: 4.5V

≤ VPFD ≤ 4.75V

– M48T58Y: 4.2V

≤ VPFD ≤ 4.5V

SELF-CONTAINED BATTERY and CRYSTAL

in the CAPHAT DIP PACKAGE

PACKAGING INCLUDES a 28-LEAD SOIC

and SNAPHAT® TOP

(to be Ordered Separately)

SOIC PACKAGE PROVIDES DIRECT

CONNECTION for a SNAPHAT TOP which

CONTAINS the BATTERY and CRYSTAL

PIN and FUNCTION COMPATIBLE with

JEDEC STANDARD 8K x 8 SRAMs

DESCRIPTION

The M48T58/58Y TIMEKEEPER® RAM is an 8K x

8 non-volatile static RAM and real time clock. The

monolithic chip is available in two special packages

to provide a highly integrated battery backed-up

memory and real time clock solution.

AI01374B

13

A0-A12

W

DQ0-DQ7

VCC

M48T58

M48T58Y

G

E2

VSS

8

E1

FT

Figure 1. Logic Diagram

A0-A12

Address Inputs

DQ0-DQ7

Data Inputs / Outputs

FT

Frequency Test Output (Open Drain)

E1

Chip Enable 1

E2

Chip Enable 2

G

Output Enable

W

Write Enable

VCC

Supply Voltage

VSS

Ground

Table 1. Signal Names

28

1

PCDIP28 (PC)

Battery/Crystal

CAPHAT

SNAPHAT (SH)

Battery/Crystal

28

1

SOH28 (MH)

类似零件编号 - M48T58Y

制造商	部件名	数据表	功能描述
STMicroelectronics	M48T58Y	183Kb / 27P	5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM 20-May-2002
	M48T58Y	259Kb / 31P	5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM 30-Aug-2007
	M48T58Y	495Kb / 33P	5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM June 2011 Rev 8
	M48T58Y	495Kb / 33P	5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM June 2011 Rev 8
	M48T58Y-70MH1	183Kb / 27P	5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM 20-May-2002

More results

类似说明 - M48T58Y

制造商	部件名	数据表	功能描述
STMicroelectronics	M28C64C	100Kb / 15P	64 Kbit 8Kb x8 Parallel EEPROM Feb-1999
	M48T02	94Kb / 15P	16 Kbit 2Kb x8 TIMEKEEPER[ SRAM Nov-1998
	M48T35	142Kb / 18P	256 Kbit 32Kb x8 TIMEKEEPER SRAM 07-Feb-2000
	M48T35AY	148Kb / 19P	256 Kbit 32Kb x8 TIMEKEEPER SRAM 29-May-2000
	M48T37Y	511Kb / 29P	3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM Rev 6.0
	M48T559Y	147Kb / 18P	64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED 07-Feb-2000
	M48T59	168Kb / 21P	64 Kbit 8Kb x8 TIMEKEEPER SRAM Oct-1999
	M48Z08	141Kb / 18P	64 Kbit 8Kb x 8 ZEROPOWER SRAM Mar-1999
	M48Z58	133Kb / 17P	64 Kbit 8Kb x 8 ZEROPOWER SRAM Mar-1999
	M27C64A	181Kb / 22P	64 Kbit (8Kb x8) UV EPROM and OTP EPROM 06-Apr-2006

More results

M48T58Y 数据表(PDF) 1 Page - STMicroelectronics

M48T58Y 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - M48T58Y

类似说明 - M48T58Y

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

数据表下载

链接网址

M48T58Y 数据表(PDF) 1 Page - STMicroelectronics

M48T58Y 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - M48T58Y

类似说明 - M48T58Y

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

数据表 下载

链接网址

数据表下载