M48Z35Y-70MH1E STMicroelectronics, M48Z35Y-70MH1E Datasheet - Page 8

• Manufacturer Part Number: M48Z35Y-70MH1E
• Description: IC NVSRAM 256KBIT 70NS 28SOIC
• Manufacturer: STMicroelectronics

Specifications of M48Z35Y-70MH1E

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Data Bus Width: 8 bit
• Organization: 32 Kb x 8
• Interface Type: Parallel
• Access Time: 70 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Operating Current: 50 mA
• Maximum Operating Temperature: 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Memory Configuration: 32K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2883-5; M48Z35Y-70MH1

M48Z35, M48Z35Y
Figure 9. Chip Enable Controlled, WRITE AC Waveforms
Table 4. WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
8/20
t
t
WHQX
WLQZ
Symbol
t
t
t
t
t
2. C
3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
t
t
t
t
t
t
t
t
WLWH
WHAX
DVWH
WHDX
AVWH
AVWL
EHAX
DVEH
EHDX
AVEH
AVEL
ELEH
AVAV
L
(2,3)
(2,3)
= 5pF (see
A0-A14
E
W
DQ0-DQ7
WRITE Cycle Time
Address Valid to WRITE Enable Low
Address Valid to Chip Enable Low
WRITE Enable Pulse Width
Chip Enable Low to Chip Enable High
WRITE Enable High to Address Transition
Chip Enable High to Address Transition
Input Valid to WRITE Enable High
Input Valid to Chip Enable High
WRITE Enable High to Input Transition
Chip Enable High to Input Transition
WRITE Enable Low to Output Hi-Z
Address Valid to WRITE Enable High
Address Valid to Chip Enable High
WRITE Enable High to Output Transition
Figure 12., page
tAVEL
12).
tAVWL
Parameter
A
= 0 to 70°C; V
tAVEH
(1)
tAVAV
VALID
CC
tELEH
= 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
tDVEH
DATA INPUT
tEHDX
Min
70
50
55
30
30
60
60
0
0
0
0
5
5
5
M48Z35/Y
tEHAX
–70
Max
25
AI00927
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns