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Details, datasheet, quote on part number:NH28SF040-150-4CF
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Datasheet text preview:
********** C-MOS 4M (512K
TOP VIEW 4 2 3 1 3 32 31 0
3 1 2 0 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 0 WE 31 CE 22
I NH28SF040-150-4CF(1/2) L08
8)-BIT FLASH EEPROM
21 10 19 18 17 15 14 3
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 Q0
6 5 7 8 9 1 10 11 12 3
DD(+5V)
ND
29 28 27 26 25 24 23 22 1
3 2 29 4 8 2 25 23 26 5 7 6 7 8 9
14 15 16 17 18 29 0
G
V
(VDD=+5V) N PIN O. 2 1 3 4 5 6 7 8 9 1 10 11 12 13 14 15 6 I/O I I I I I I I I I I I I I/O I/O / O SIGNAL A18 A16 A15 A2 1 A7 A6 A5 A4 A3 A2 A1 D0 DQ0 DQ1 GQ2 ND N PIN O. 17 18 29 20 21 22 23 24 25 26 27 28 39 30 31 2 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 C7 Q AE O0 1 AE A1 1 A9 A8 A13 A14 W7 1 VE
DD
1 10 11 2
OE 24
A INPUT 0 - A18 C
;
ADDRESS INPUTS A0-A7 : SELECTS BYTE WITHIN SECTOR A8-A18 : SELECTS SECTOR OE ; CHIP ENABLE WE ; OUTPUT ENABLE IE ; WRITE ENABLE ; D PUT/OUTPUT N Q0-DQ7 DATA INPUT/OUTPUT
NH28SF040-150-4CF(2/2)
A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 1 30 2 3 29 28 4 25 23 26 27 5 6 7 8 9 10 11 12 21 20 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
ADDRESS B UFFER A L ND ATCH
D D X ECODER 4,194,304 BITS CEEPROM ELL ARRY
Y ECODER A S ND L CTOR E ATCH
19
I/O BUFFER D AND ATA LATCH
18 17 15 14 13
WE OE CE
31 24 22
CONTROL L OGIC
Mode E Read rase or Program W Standby rite Inhibit Write Inhibit Product ID C hip Erase X = don't care
CE L H X X L L
OE H L X L X L H
WE H L X X H H L
Address AIN XIN X X A 9 = 12V, A0 = VIL A1-8, 10-18 = VIL A0 = VIH X
I/O DOUT HIN igh Z High Z or DOUT Migh Z or DOUT FG. Code = BF H Device Code = 04 H Set-up Code = 30 H Execute Code = 30 H
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