Symbol

Parameter

Test Condition

Min

Max

Unit

Input Capacitance

40

pF

(3)

Input / Output Capacitance

40

pF

Notes: 1. Effective capacitance measured with power supply at 5V.

2. Sampled only, not 100% tested.

3. Outputs deselected

°C, f = 1 MHz )

Symbol

Parameter

Test Condition

Min

Max

Unit

(1)

Input Leakage Current

0V

±4

µA

(1)

Output Leakage Current

0V

±4

µA

Supply Current

140

mA

Supply Current (Standby) TTL

10

mA

Supply Current (Standby) CMOS

E

8

mA

Input Low Voltage

–0.3

0.8

V

Input High Voltage

2.2

V

Output Low Voltage

0.4

V

Output High Voltage

2.4

V

Note: 1. Outputs deselected.

Table 6. DC Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Power-fail Deselect Voltage (M48Z2M1)

4.5

4.6

4.75

V

Power-fail Deselect Voltage (M48Z2M1Y)

4.2

4.3

4.5

V

Battery Back-up Switchover Voltage

3

V

(2)

Data Retention Time

10

YEARS

2. At 25

°C

°C)

4/12

M48Z2M1, M48Z2M1Y