W2465-70LL Winbond Electronics, W2465-70LL Datasheet

W2465-70LL

Manufacturer Part Number
W2465-70LL
Description
Manufacturer
Winbond Electronics
Datasheet

Specifications of W2465-70LL

Density
64Kb
Access Time (max)
70ns
Sync/async
Asynchronous
Architecture
Not Required
Clock Freq (max)
Not RequiredMHz
Operating Supply Voltage (typ)
5V
Address Bus
13b
Package Type
PDIP
Operating Temp Range
0C to 70C
Number Of Ports
1
Supply Current
70mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
28
Word Size
8b
Number Of Words
8K
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
W2465-70LL
Quantity:
2 600
Part Number:
W2465-70LL
Quantity:
2 600
Part Number:
W2465-70LL
Manufacturer:
Winbond
Quantity:
5 510
Part Number:
W2465-70LL
Manufacturer:
WINBOND/华邦
Quantity:
20 000
The W2465 is a slow-speed, low-power CMOS static RAM organized as 8192
on a single 5-volt power supply. This device is manufactured using Winbond's high performance
CMOS technology.
Low power consumption:
Access time: 70/100 nS (max.)
Single +5V power supply
Fully static operation
Active: 250 mW (max.)
Standby: 100 W (max.)(LL-version)
A12
V
I/O1
I/O2
I/O3
NC
SS
A7
A6
A5
A4
A3
A2
A1
A0
250 W (max.)(L-version)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CS
A8
A9
A11
OE
A10
CS
I/O8
I/O6
I/O5
I/O4
V
WE
I/O7
DD
- 1 -
8K
All inputs and outputs directly TTL compatible
Three-state outputs
Battery back-up operation capability
Data retention voltage: 2V (min.)
Available packages: 28-pin 600 mil DIP,
330 mil SOP and 300 mil skinny DIP
I/O1 I/O8
CS1, CS2
A0 A12
V
V
A12
CS2
CS1
OE
WE
V
V
DD
WE
SS
A0
OE
NC
.
.
DD
SS
8 CMOS STATIC RAM
Publication Release Date: April 1997
Address Inputs
Data Inputs/Outputs
Chip Select Inputs
Write Enable Input
Output Enable Input
Power Supply
Ground
No Connection
8 bits that operates
W2465
Revision A8
I/O1
I/O8
.
.

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W2465-70LL Summary of contents

Page 1

... The W2465 is a slow-speed, low-power CMOS static RAM organized as 8192 on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology. Low power consumption: Active: 250 mW (max.) Standby: 100 W (max.)(LL-version) 250 W (max.)(L-version) Access time: 70/100 nS (max.) ...

Page 2

... TEST CONDITIONS MIN. - -0 CS1 = V (min.) or CS2 (max (min (max +4 -1 CS1 = V (max.), IL CS2 = V (min mA, 100 Cycle = min. Duty = 100% CS1 = V (min.) or CS2 (max.), Cycle = min. IL Duty = 100 -0.2V CS1 CS2 0. W2465 V CURRENT UNIT TYP. MAX. UNIT - + ...

Page 3

... R1 1000 ohm 5V OUTPUT 100 pF Including Jig and Scope I/O OUT 0. 100 pF OUTPUT R2 660 ohm T (For T CLZ1, CLZ2, OLZ, CHZ1, CHZ2, OHZ, WHZ, OW 2.4V 90% 90% 10% 10% 0. W2465 mA 1000 ohm Including 660 ohm Jig and Scope Publication Release Date: April 1997 Revision A8 ...

Page 4

... These parameters are sampled but not 100% tested ACS CS1 CS2 ACS T - AOE CLZ1 CS1 CS2 CLZ2 OLZ CHZ1 CS1 CS2 CHZ2 OHZ CW1 CS1 CS2 T 60 CW2 WR1 CS1 WE , CS2 T 0 WR2 WHZ OHZ W2465 - 100 - 100 100 100 100 - ...

Page 5

... Address D OUT CS1 CS2 D OUT Address OE CS1 CS2 D OUT ACS1 T ACS2 T CLZ1 T CLZ2 AOE T OLZ T ACS1 T CLZ1 T ACS2 T CLZ2 Publication Release Date: April 1997 - 5 - W2465 CHZ1 T CHZ2 CHZ1 T OHZ T CHZ2 Revision A8 ...

Page 6

... D provides the read data for the next address. OUT 4. Transition is measured 500 mV from steady state with WR1 T CW1 T CW2 WR2 OHZ ( WR1 T CW1 T CW2 WR2 WHZ( during the write cycle pF. This parameter is guaranteed but not 100% tested W2465 T OH (2) (3) ...

Page 7

... V for Data Retention DD Data Retention Current Chip Deselect to Data Retention Time Operation Recovery Time * = Read Cycle Time CS1 CS2 W2465-70LL 70 W2465-10L 100 W2465S-70LL 70 W2465S-10L 100 W2465K-70LL 70 W2465K-10L 100 Notes: 1. Winbond reserves the right to make changes to its products without prior notice. 2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in applications where personal injury might occur as a consequence of product failure ...

Page 8

... A10 CS1 27S-1 27S-2 or left floating in the PCB layout W2465 -226.95 1526.15 -350.95 1526.15 -484.10 1526.15 -608.10 1526.15 -739.75 1526.15 -741.75 1315.10 -741.75 -1231.85 -741.75 -1456.30 -610.60 -1456.30 -481.50 -1466.30 -343.80 -1466.30 -206.10 -1466.30 -73.00 -1401.10 -8.35 -1212.80 60.10 -1466 ...

Page 9

... Base Plane Seating Plane Base Plane A 1 Mounting Plane Publication Release Date: April 1997 - 9 - W2465 Min. Nom. Max. Min. Nom. Max. 0.210 5.33 A 0.010 0. 0.155 0.160 A 0.150 3.81 3.94 4.06 2 0.016 0.018 0.022 0.41 0.46 0.56 B 0.060 1.47 1.52 1.63 0.058 ...

Page 10

... Package Dimensions, continued Seating Plane Detail See Detail W2465 Min. Nom. Max. Min. Nom. Max. 2.85 0.112 A 0.004 0. 0.093 0.098 0.103 2.36 2.49 2.62 2 0.014 0.016 0.36 0.41 0.51 0.020 b 0.014 0.20 0.25 0.36 c 0.008 0.010 0.713 0.733 18.11 18.62 D 0.326 ...

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