M48Z128Y-85PM1 STMicroelectronics, M48Z128Y-85PM1 Datasheet - Page 15

• Manufacturer Part Number: M48Z128Y-85PM1
• Description: IC NVSRAM 1MBIT 85NS 32DIP
• Manufacturer: STMicroelectronics

Specifications of M48Z128Y-85PM1

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 1M (128K x 8)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP (600 mil) Module
• Data Bus Width: 8 bit
• Organization: 128 Kb x 8
• Interface Type: Parallel
• Access Time: 85 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Operating Current: 105 mA
• Maximum Operating Temperature: 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2875-5

M48Z128, M48Z128Y, M48Z128V
Figure 10. Power down/up mode AC waveforms
Table 9.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 10.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
3. At 25 °C; V
Symbol
V CC
V PFD (max)
V PFD (min)
V SO
E
OUTPUTS
Symbol
t
V
DR
V
(except where noted).
until 200 µs after V
(except where noted).
t
PFD
t
FB
PFD
PFD
SO
t
t
t
F
WP
t
RB
ER
(3)
R
(2)
(3)
(min) to V
(max) to V
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
CC
Power down/up AC characteristics
Power down/up trip points DC characteristics
V
V
V
V
Write protect time
E recovery time
PFD
PFD
PFD
SS
= 0 V.
(PER CONTROL INPUT)
SS
PFD
to V
RECOGNIZED
fall time of less than t
VALID
(max) to V
(min) to V
(min) to V
CC
(min) fall time of less than t
tWP
PFD
passes V
tF
(min) V
SS
Parameter
SS
PFD
.
PFD
PFD
V
(max) V
Doc ID 2426 Rev 5
CC
CC
(min) V
Parameter
(min).
tFB
rise time
fall time
FB
(1)(2)
A
A
may cause corruption of RAM data.
CC
CC
= 0 to 70 °C; V
= 0 to 70 °C; V
rise time
fall time
F
(1)
may result in deselection/write protection not occurring
M48Z128/Y
M48Z128Y
M48Z128V
M48Z128V
M48Z128
tDR
DON'T CARE
HIGH-Z
CC
CC
M48Z128/Y
M48Z128/Y
M48Z128V
M48Z128V
= 4.75 to 5.5 V, 4.5 to 5.5 V, or 3.0 to 3.6 V
= 4.75 to 5.5 V, 4.5 to 5.5 V, or 3.0 to 3.6 V
Min
4.5
4.2
2.8
10
tRB
Min
300
150
DC and AC parameters
10
10
40
40
40
1
Typ
4.6
4.3
2.9
3.0
2.5
tR
4.75
Max
Max
150
250
120
4.5
3.0
(PER CONTROL INPUT)
tER
RECOGNIZED
VALID
YEARS
Unit
Unit
ms
AI01031
µs
µs
µs
µs
µs
V
V
V
V
V
15/20