M48T58Y-70PC1FE 查看數據表（PDF） - STMicroelectronics

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M48T58Y-70PC1FE

5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM

STMicroelectronics 

M48T58, M48T58Y

8

DC and AC parameters

DC and AC parameters

Note:

This section summarizes the operating and measurement conditions, as well as the DC and

AC characteristics of the device. The parameters in the following DC and AC Characteristic

tables are derived from tests performed under the Measurement Conditions listed in Table 7.

Designers should check that the operating conditions in their projects match the

measurement conditions when using the quoted parameters.

Table 7. Operating and AC measurement conditions

Parameter

M48T58

M48T58Y

Unit

Supply Voltage (VCC)

4.75 to 5.5

4.5 to 5.5

V

Ambient Operating Temperature (TA)

0 to 70

0 to 70

°C

Load Capacitance (CL)

100

100

pF

Input Rise and Fall Times

≤5

≤5

ns

Input Pulse Voltages

0 to 3

0 to 3

V

Input and Output Timing Ref. Voltages

1.5

1.5

V

Output Hi-Z is defined as the point where data is no longer driven.

Figure 11. AC measurement load circuit

5V

DEVICE

UNDER

TEST

1kΩ

1.9kΩ

OUT

CL = 100pF or 5pF

CL includes JIG capacitance

AI01030

Table 8. Capacitance

Symbol

Parameter(1)(2)

Min

Max

CIN

Input Capacitance

10

COUT(3)

Output Capacitance

10

1. Effective capacitance measured with power supply at 5V; sampled only, not 100% tested.

2. At 25°C, f = 1MHz.

3. Outputs deselected.

Unit

pF

pF

21/31

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