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PDF M48Z129Y Data sheet ( Hoja de datos )
| Número de pieza | M48Z129Y | |
| Descripción | 3.3V/5V 1 Mbit 128Kb x8 ZEROPOWER SRAM | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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M48Z129Y
M48Z129V
3.3V/5V 1 Mbit (128Kb x8) ZEROPOWER® SRAM
s INTEGRATED ULTRA LOW POWER SRAM,
POWER-FAIL CONTROL CIRCUIT, and
BATTERY
s AUTOMATIC POWER-FAIL CHIP DESELECT
AND WRITE PROTECTION
s MICROPROCESSOR POWER-ON RESET
(RESET VALID EVEN DURING BATTERY
BACK-UP MODE)
s BATTERY LOW PIN - PROVIDES WARNING
OF BATTERY END-OF-LIFE
s WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
– M48Z129Y: 4.2V ≤ VPFD ≤ 4.5V
– M48Z129V: 2.7V ≤ VPFD ≤ 3.0V
s CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
s 10 YEARS OF DATA RETENTION IN THE
ABSENCE OF POWER
s PIN AND FUNCTION COMPATIBLE WITH
JEDEC STANDARD 128Kb x 8 SRAMS
s SELF CONTAINED BATTERY IN DIP
PACKAGE
Table 1. Signal Names
A0-A16
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
E Chip Enable
G Output Enable
W Write Enable
RST
Reset Output (Open Drain)
BL
Battery Low Output (Open
Drain)
VCC Supply Voltage
VSS Ground
32
1
PMDIP32 (PM)
Module
Figure 1. Logic Diagram
VCC
17
A0-A16
W M48Z129Y
M48Z129V
E
G
8
DQ0-DQ7
RST
BL
VSS
AI02309
June 2000
1/13
1 page  
M48Z129Y, M48Z129V
Table 5. Capacitance (1)
(TA = 25 °C, f = 1 MHz)
Symbol
Parameter
CIN Input Capacitance
CIO (2) Input / Output Capacitance
Note: 1. Effective capacitance measured with power supply at 5V.
2. Outputs deselected.
Test Condition
VIN = 0V
VOUT = 0V
Min Max Unit
10 pF
10 pF
Table 6A. DC Characteristics
(TA = 0 to 70 °C; VCC = 4.5V to 5.5V)
Symbol
Parameter
ILI (1)
Input Leakage Current
ILO (1) Output Leakage Current
ICC Supply Current
ICC1 Supply Current (Standby) TTL
ICC2 Supply Current (Standby) CMOS
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
Note: 1. Outputs deselected.
Test Condition
0V ≤ VIN ≤ VCC
0V ≤ VOUT ≤ VCC
Outputs open
E = VIH
E = VCC – 0.2V
IOL = 2.1mA
IOH = –1mA
Min
–0.3
2.2
2.4
Max
±1
±1
95
7
4
0.8
VCC + 0.3
0.4
Unit
µA
µA
mA
mA
mA
V
V
V
V
Table 6B. DC Characteristics
(TA = 0 to 70 °C; VCC = 3.0V to 3.6V)
Symbol
Parameter
ILI (1)
Input Leakage Current
ILO (1) Output Leakage Current
ICC Supply Current
ICC1 Supply Current (Standby) TTL
ICC2 Supply Current (Standby) CMOS
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
Note: 1. Outputs deselected.
Test Condition
0V ≤ VIN ≤ VCC
0V ≤ VOUT ≤ VCC
Outputs open
E = VIH
E = VCC – 0.2V
IOL = 2.1mA
IOH = –1mA
Min
–0.3
2.2
2.2
Max
±1
±1
50
4
3
0.6
VCC + 0.3
0.4
Unit
µA
µA
mA
mA
mA
V
V
V
V
5/13
5 Page 
Table 11. Ordering Information Scheme
Example:
Supply Voltage and Write Protect Voltage
129Y = VCC = 4.5V to 5.5V; VPFD = 4.2V to 4.5V
129V = VCC = 3.0V to 3.6V; VPFD = 2.7V to 3.0V
Speed
-70 = 70ns (M48Z129Y)
-85 = 85ns (M48Z129V)
Package
PM = PMDIP32
Temperature Range
1 = 0 to 70 °C
M48Z129Y, M48Z129V
M48Z129Y
-70 PM 1
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the STMicroelectronics Sales Office nearest to you.
Table 12. Revision History
Date
Revision Details
December 1999 First Issue
03/30/00
From Preliminary Data to Data Sheet
06/20/00
tGLQX changed for M48Z129Y (Table 9)
11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet M48Z129Y.PDF ] | |
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