M48Z512ASH 查看數據表（PDF） - STMicroelectronics

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M48Z512ASH

4 Mbit (512Kb x8) ZEROPOWER® SRAM

STMicroelectronics 

M48Z512A, M48Z512AY

Figure 4. Hardware Hookup for SMT Chip Set (1)

SNAPHAT

BATTERY(3)

THS(2) VOUT

M40Z300

E

E1CON

E2CON

E3CON

E4CON

A

RST

B

BL

VSS

VCC

E2

M68Z512

E

DQ0-DQ7

A0-A18

W

VSS

AI03631

Note: 1. For pin connections, see individual data sheets for M40Z300 and M68Z512 at www.st.com.

2. Connect THS pin to VOUT if 4.2V ≤ VPFD ≤ 4.5V (M48Z512AY) or connect THS pin to VSS if 4.5V ≤ VPFD ≤ 4.75V (M48Z512A).

3. SNAPHAT top ordered separately.

Table 4. AC Measurement Conditions

Input Rise and Fall Times

≤ 5ns

Input Pulse Voltages

0 to 3V

Input and Output Timing Ref. Voltages

1.5V

Note that Output Hi-Z is defined as the point where data is no longer

driven.

Figure 5. AC Testing Load Circuit

5V

DEVICE

UNDER

TEST

1kΩ

1.9kΩ

OUT

CL = 100pF or 5pF

CL includes JIG capacitance

AI01030

4/17

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