M48T08 datasheet(19/27 Pages) STMICROELECTRONICS

Part #	M48T08

Description	CMOS 8K x 8 TIMEKEEPER SRAM

PDF	27 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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19 / 27 page

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M48T08, M48T08Y, M48T18

Table 9. DC Characteristics

Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.75 to 5.5V or 4.5 to 5.5V (except where noted).

2. Outputs deselected.

3. Measured with Control Bits set as follows: R = '1'; W, ST, FT = '0.'

4. The INT pin is Open Drain.

Symbol

Parameter

Test Condition(1)

M48T08/M48T18/T08Y

Unit

Min

Max

ILI

Input Leakage Current

≤ VIN ≤ VCC

±1

µA

ILO

(2)

Output Leakage Current

≤ VOUT ≤ VCC

±1

µA

ICC

Supply Current

Outputs open

ICC1

(3)

Supply Current (Standby) TTL

E1 = VIH, E2 = VIL

3mA

ICC2

(3)

Supply Current (Standby) CMOS

E1 = VCC – 0.2V,

E2 = VSS + 0.2V

3mA

VIL

Input Low Voltage

–0.3

0.8

VIH

Input High Voltage

2.2

VCC + 0.3

VOL

Output Low Voltage

IOL = 2.1mA

0.4

Output Low Voltage (INT)(4)

IOL = 0.5mA

0.4

VOH

Output High Voltage

IOH = –1mA

2.4

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