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M48Z128 Datasheet, PDF (4/17 Pages) STMicroelectronics – 1 Mbit 128Kb x8 ZEROPOWER SRAM | |||
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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
1kâ¦
1.9kâ¦
OUT
CL = 100pF or 5pF
CL includes JIG capacitance
AI01030
4/17
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