Datasheet

Section 1 Overview
Page 12 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Product type name
R4F
2456
Indicates "product original type number":
H8S/2456
Indicates the ROM device type:
F: On-chip ROM
S: ROM-less
Indicates the product classification:
Microprocessor
Indicates "Renesas semiconductor"
9
Indicates memory size classification:
On-chip memory size
9: ROM 256 Kbytes, RAM 64 Kbytes
8: ROM 256 Kbytes, RAM 48 Kbytes
5: ROM 128 Kbytes, RAM 48 Kbytes
2: - , RAM 64 Kbytes
1: - , RAM 48 Kbytes
NVRFQ
Indicates the package
FQ: PLQP0144KA-A
LP: PTLG0145JB-A
FP: PLQP0120LA-A
FA: PLQP0120KA-A
Indicates the product group
R: H8S/2456R group
None: H8S/2456 group or H8S/2454 group
Indicates the operating voltage
V: 3.0 to 3.6 V
None: 4.5 to 5.5 V
Indicates the guaranteed temperature range
N: -20 to +75 °C
D: -40 to +85 °C
V
Indicates treatment of outer leads
V: Sn-2Bi
U: Sn
Figure 1.1 Meaning of Product Type Name