BQ4287MT
vs
BQ4285EQN
feature comparison
| Rohs Code |
No
|
No
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
BENCHMARQ MICROELECTRONICS INC
|
TEXAS INSTRUMENTS INC
|
| Package Description |
DIP, DIP24,.6
|
QCCJ, LDCC28,.5SQ
|
| Reach Compliance Code |
unknown
|
not_compliant
|
| Additional Feature |
ACCURACY 1 MIN/MO @ 25 DEG C; BACKUP & WRITE PROTECTION FOR EXTERNAL SRAM; 10 YEARS DATA RETENTION
|
|
| Clock Frequency-Max |
0.032 MHz
|
0.032 MHz
|
| External Data Bus Width |
8
|
8
|
| Information Access Method |
PARALLEL, MUXED BUS
|
PARALLEL, MUXED BUS
|
| Interrupt Capability |
Y
|
Y
|
| JESD-30 Code |
R-PDIP-T24
|
S-PQCC-J28
|
| JESD-609 Code |
e0
|
e0
|
| Number of Terminals |
24
|
28
|
| Number of Timers |
|
|
| On Chip Data RAM Width |
8
|
|
| Operating Temperature-Max |
70 °C
|
85 °C
|
| Operating Temperature-Min |
|
-40 °C
|
| Output Clock Frequency-Max |
0.008192 MHz
|
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
DIP
|
QCCJ
|
| Package Equivalence Code |
DIP24,.6
|
LDCC28,.5SQ
|
| Package Shape |
RECTANGULAR
|
SQUARE
|
| Package Style |
IN-LINE
|
CHIP CARRIER
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (words) |
114
|
|
| Supply Current-Max |
15 mA
|
|
| Supply Voltage-Max |
5.5 V
|
5.5 V
|
| Supply Voltage-Min |
4.5 V
|
4.5 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
NO
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
COMMERCIAL
|
INDUSTRIAL
|
| Terminal Finish |
TIN LEAD
|
TIN LEAD
|
| Terminal Form |
THROUGH-HOLE
|
J BEND
|
| Terminal Pitch |
2.54 mm
|
1.27 mm
|
| Terminal Position |
DUAL
|
QUAD
|
| Time-Min |
SECONDS
|
SECONDS
|
| Volatile |
NO
|
YES
|
| uPs/uCs/Peripheral ICs Type |
TIMER, REAL TIME CLOCK
|
TIMER, REAL TIME CLOCK
|
| Base Number Matches |
2
|
1
|
| Part Package Code |
|
QLCC
|
| Pin Count |
|
28
|
| ECCN Code |
|
EAR99
|
| HTS Code |
|
8542.39.00.01
|
|
|
|
Compare BQ4287MT with alternatives
Compare BQ4285EQN with alternatives