IDT71V416YS, IDT71V416YL 3.3V CMOS Static RAM
for Automotive Applications 4 Meg (256K x 16-Bit)
Automotive Temperature Ranges
Pin Configurations - SOJ/TSOP
Pin Configurations - 48 BGA
A0
A1
A2
A3
A4
1
2
44
A17
A16
1
2
3
4
5
6
43
42
41
40
39
38
37
A
B
C
D
E
A0
A1
A2
NC
BLE
OE
3
A15
OE
4
I/O0
I/O1
VSS
VDD
I/O6
I/O7
NC
A3
A5
A4
A6
I/O8
I/O9
BHE
I/O2
I/O3
I/O4
I/O5
NC
CS
BHE
5
6
BLE
CS
I/O10
I/O11
I/O12
I/O13
WE
I/O 0
I/O 1
I/O 2
I/O 3
7
I/O 15
I/O 14
I/O 13
I/O 12
8
A17
NC
A14
A12
A7
VDD
VSS
9
36
35
34
33
32
31
30
29
28
27
26
25
24
23
10
11
12
13
14
15
16
17
18
19
20
21
22
SO44-1
SO44-2
A16
A15
A13
DD
V
VSS
VSS
I/O 4
I/O 5
I/O 6
I/O 7
WE
A5
VDD
F
I/O14
I/O15
I/O 11
I/O 10
I/O 9
G
H
I/O 8
NC*
A
8
A
9
A
10
A
11
NC
A14
A13
A12
6817 tbl 11
A6
PinDescriptions
A7
A8
A11
A10
A0 - A17
Address Inputs
Input
Input
Input
Input
Input
Input
I/O
A9
Chip Select
Write Enable
Output Enable
CS
WE
6817 drw 02
OE
*Pin 28 can either be a NC or connected to Vss
High Byte Enable
Low Byte Enable
Data Input/Output
3.3V Power
BHE
BLE
Top View
I/O0 - I/O15
VDD
Pwr
VSS
Ground
Gnd
6817 tbl 01
Truth Table(1)
I/O0-I/O7
High-Z
I/O8-I/O15
CS
H
L
OE
X
L
WE
X
H
H
H
L
BLE
X
L
BHE
X
H
L
Function
High-Z
High-Z
Deselected - Standby
Low Byte Read
High Byte Read
Word Read
DATAOUT
High-Z
L
L
H
L
DATAOUT
DATAOUT
DATAIN
High-Z
L
L
L
DATAOUT
DATAIN
DATAIN
High-Z
L
X
X
X
H
X
L
L
Word Write
L
L
L
H
L
Low Byte Write
High Byte Write
Outputs Disabled
Outputs Disabled
L
L
H
X
H
DATAIN
High-Z
L
H
X
X
H
High-Z
L
High-Z
High-Z
NOTE:
1. H = VIH, L = VIL, X = Don't care.
6817 tbl 03
6.422