Operating instructions
5-3
DFP-R3000
IC
IC
74LCX244SJX (NS)FLAT PACKAGE
SN74HCT244ANS (TI)FLAT PACKAGE
SN74HCT244ANS-E05
G
0
0
x
A
0
1
x
Y
0
1
HI-Z
0
1
x
HI-Z
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
: HIGH IMPEDANCE
1617181920
G2
G1
G1
15
V
DD
GND
14 13 12 11
AY = YA
GG
7654321
2
4
6
8
11
13
15
17
8 9 10
18
16
14
12
9
7
5
3
119
G2
G
OR
2
4
6
8
18
16
14
12
1
11
13
15
17
9
7
5
3
19
G
C-MOS BUS BUFFER WITH 3-STATE OUTPUTS
—TOP VIEW—
AD9696KR-REEL (AD)FLAT PACKAGE
BA10358F-E2 (ROHM)FLAT PACKAGE
UPC358G2-E2
AM29F010-70JC (AMD)
5
6
7
8
9
10
11
12
13
V
DD
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
22
24
31
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
CE (E)
OE (G)
WE (W)
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
13
14
15
17
18
19
20
21
PIN
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I/O
—
I
I
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
—
SIGNAL
NC
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
29
28
27
26
25
24
23
22
21
4321323130
14 15 16 17 18 19 20
NC
NC
GND
PIN
No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
—
I
—
SIGNAL
DQ3
DQ4
DQ5
DQ6
DQ7
CE (E)
A10
OE (G)
A11
A9
A8
A13
A14
NC
WE (W)
V
DD
C-MOS 1 M (131,072 x 8)-BIT FLASH EEPROM
—TOP VIEW—
AUTO-SELECT MANUFACTURER CODE (1)
AUTO-SELECT DEVICE CODE (1)
READ
STANDBY
OUTPUT DISABLE
WRITE
ENABLE SECTOR PROTECT
VERIFY SECTOR PROTECT (3)
OPERATION
CE
0
0
0
1
0
0
0
0
INPUT
A0 - A16
CE
OE
WE
OUTPUT
DQ0 - DQ7
; ADDRESS (0 - 16)
; CHIP ENABLE
; OUTPUT ENABLE
; WRITE ENABLE
; DATA (0 - 7)
WE
0
1
X
; LOW LEVEL
; HIGH LEVEL
; DON'T CARE
HI-Z ; HIGH IMPEDANCE
STATE
CONTROL
COMMAND
REGISTER
31
ERASE
VOLTAGE
SWITCH
PROGRAM
VOLTAGE
SWITCH
CE
22
EMBEDDED
ALGORITHMS
OE
24
LOW V
DD
DETECTOR
PROGRAM/
ERASE PULSE
TIMER
A0 - A16
12 - 5
27, 26, 23
25, 4, 28
29, 3, 2
INPUT
OUTPUT
BUFFERS
CHIP ENABLE
OUTPUT ENABLE
LOGIC
Y-DECODER
X-DECODER
ADDRESS LATCH
DATA
LATCH
Y-GATING
1, 048, 576
BIT
CELL
MATRIX
13 - 15
17 - 21
DQ0 - DQ7
OE
0
0
0
X
1
1
VID
0
WE
1
1
1
X
1
0
0
1
A0
0
1
A0
X
X
A0
X
0
A1
0
0
A1
X
X
A1
X
1
A9
VID
VID
A9
X
X
A9
VID
VID
I/O
CODE
CODE
D
OUT
HI-Z
HI-Z
DIN (2)
X
CODE
IN+
IN_
1
2
3
4
8
7
6
5
GND
Q
OUT
Q
OUT
V
CC
V
EE
ULTRAFAST TTL COMPARATOR
—TOP VIEW—
+
_
LATCH
ENABLE
IN
1
2
3
4
8
7
6
5
V
EE
V
CC
_ +
_ +
DUAL OPERATIONAL AMPLIFIERS
(SINGLE-SUPPLY TYPE)
—TOP VIEW—