MSM6655 View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
Manufacturer
MSM6655 Datasheet PDF : 45 Pages
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¡ Semiconductor
FEDL6650-03
MSM6650 Family
PIN CONFIGURATION (TOP VIEW)
The MSM66P54-xx and MSM66P56-xx has two more pins than the MSM6652-6658A while their pin
configurations are identical.
The additional two pins (VPP, PGM) of the MSM66P54-xx/P56-xx may be open at playback after
completion of writing.
MSM6652-6658A (Mask ROM)
MSM66P54/P56 (OTP)
A0 1
A1 2
18 SW3
17 SW2
VPP 1
A0 2
20 PGM
19 SW3
A2 3
16 SW1
A1 3
18 SW2
TEST 4
RESET 5
BUSY 6
15 SW0
14 RND
13 OSC3
A2 4
TEST 5
RESET 6
17 SW1
16 SW0
15 RND
XT/CR 7
12 OSC2
BUSY 7
14 OSC3
AOUT8
11 OSC1
XT/CR 8
13 OSC2
GND 9
10 VDD
AOUT 9
12 OSC1
18-Pin Plastic DIP
GND 10
11 VDD
20-Pin Plastic DIP
MSM6652-xxxRS, MSM6653-xxxRS, MSM6654-xxxRS,
MSM66P54-03/-04RS
MSM6655-xxxRS, MSM6656-xxxRS, MSM6652A-xxxRS, MSM66P56-03/-04RS
MSM6653A-xxxRS, MSM6654A-xxxRS, MSM6655A-xxxRS,
MSM6656A-xxxRS, MSM6658A-xxxRS
MSM6652-6658A (Mask ROM)
MSM66P54/P56 (OTP)
VDD 1
24 GND
VDD 1
24 GND
OSC1 2
23 AOUT
OSC1 2
23 AOUT
OSC2 3
22 XT/CR
OSC2 3
22 XT/CR
NC 4
OSC3 5
21 NC
20 BUSY
NC 4
OSC3 5
21 NC
20 BUSY
NC 6
19 NC
NC 6
19 NC
NC 7
RND 8
18 NC
17 RESET
PGM 7
RND 8
18 VPP
17 RESET
SW0 9
16 TEST
SW0 9
16 TEST
SW1 10
15 A2
SW1 10
15 A2
SW2 11
14 A1
SW2 11
14 A1
SW3 12
13 A0
SW3 12
13 A0
24-Pin Plastic SOP
MSM6652-xxxGS-K, MSM6653-xxxGS-K,
MSM6654-xxxGS-K, MSM6655-xxxGS-K,
MSM6656-xxxGS-K, MSM6652A-xxxGS-K,
MSM6653A-xxxGS-K, MSM6654A-xxxGS-K,
MSM6655A-xxxGS-K, MSM6656A-xxxGS-K,
MSM6658A-xxxGS-K
24-Pin Plastic SOP
MSM66P54-03/-04GS-K
MSM66P56-03/-04GS-K
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