M48Z128Y 查看數據表（PDF） - STMicroelectronics

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M48Z128Y

1 Mbit (128Kb x8) ZEROPOWER SRAM

STMicroelectronics 

M48Z128, M48Z128Y

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

M68Z128

E

DQ0-DQ7

A0-A16

W

VSS

AI03625

Note: 1. For pin connections, see individual data sheets for M40Z300 and M68Z128 at www.st.com.

2. Connect THS pin to VOUT if 4.2V ≤ VPFD ≤ 4.5V (M48Z128Y) or connect THS pin to VSS if 4.5V ≤ VPFD ≤ 4.75V (M48Z128).

3. SNAPHAT 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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